-5.11% is the change from 528 to 501
Calculation steps:
[( 501 - 528 ) ÷ 528] x 100 = -5.11%
Formula
Percentage change = [(501 - 528) / 528] x 100
Subtract the new number by the original number
501 - 528 = -27
-27 ÷ 528 = -0.05113636363636364
-0.05113636363636364 x 100 = -5.11%