-37.76% is the change from 527 to 328
Calculation steps:
[( 328 - 527 ) ÷ 527] x 100 = -37.76%
Formula
Percentage change = [(328 - 527) / 527] x 100
Subtract the new number by the original number
328 - 527 = -199
-199 ÷ 527 = -0.3776091081593928
-0.3776091081593928 x 100 = -37.76%