-25.81% is the change from 527 to 391
Calculation steps:
[( 391 - 527 ) ÷ 527] x 100 = -25.81%
Formula
Percentage change = [(391 - 527) / 527] x 100
Subtract the new number by the original number
391 - 527 = -136
-136 ÷ 527 = -0.25806451612903225
-0.25806451612903225 x 100 = -25.81%