-22.21% is the change from 662 to 515
Calculation steps:
[( 515 - 662 ) ÷ 662] x 100 = -22.21%
Formula
Percentage change = [(515 - 662) / 662] x 100
Subtract the new number by the original number
515 - 662 = -147
-147 ÷ 662 = -0.22205438066465258
-0.22205438066465258 x 100 = -22.21%