

∴ Percent Difference from 300 to 200 is 40% Percentage Difference = 100 * |a - b| / ((a + b) / 2)%

Percentage Difference = 100 * |a - b| / ((a + b) / 2) Solution: Starting Value = 80, Final Value = 68 Solution: Starting Value = 90, Final Value = 108 Where: FV is the final value, and SV is the starting value. Solution: actual value = 200, observed value = 250 Where: AV is the actual value, and OV is the observed value.

∴ Percentage Change from 250 to 350 is 40% Substitute the given values in the formula. Solution: New_Value = 350, Original_Value = 250
