-9.66% is the change from 528 to 477
Calculation steps:
[( 477 - 528 ) ÷ 528] x 100 = -9.66%
Formula
Percentage change = [(477 - 528) / 528] x 100
Subtract the new number by the original number
477 - 528 = -51
-51 ÷ 528 = -0.09659090909090909
-0.09659090909090909 x 100 = -9.66%