-20.24% is the change from 662 to 528
Calculation steps:
[( 528 - 662 ) ÷ 662] x 100 = -20.24%
Formula
Percentage change = [(528 - 662) / 662] x 100
Subtract the new number by the original number
528 - 662 = -134
-134 ÷ 662 = -0.20241691842900303
-0.20241691842900303 x 100 = -20.24%