-17.23% is the change from 528 to 437
Calculation steps:
[( 437 - 528 ) ÷ 528] x 100 = -17.23%
Formula
Percentage change = [(437 - 528) / 528] x 100
Subtract the new number by the original number
437 - 528 = -91
-91 ÷ 528 = -0.17234848484848486
-0.17234848484848486 x 100 = -17.23%