-37.19% is the change from 527 to 331
Calculation steps:
[( 331 - 527 ) ÷ 527] x 100 = -37.19%
Formula
Percentage change = [(331 - 527) / 527] x 100
Subtract the new number by the original number
331 - 527 = -196
-196 ÷ 527 = -0.3719165085388994
-0.3719165085388994 x 100 = -37.19%