-24.29% is the change from 527 to 399
Calculation steps:
[( 399 - 527 ) ÷ 527] x 100 = -24.29%
Formula
Percentage change = [(399 - 527) / 527] x 100
Subtract the new number by the original number
399 - 527 = -128
-128 ÷ 527 = -0.2428842504743833
-0.2428842504743833 x 100 = -24.29%