-22.21% is the change from 680 to 529
Calculation steps:
[( 529 - 680 ) ÷ 680] x 100 = -22.21%
Formula
Percentage change = [(529 - 680) / 680] x 100
Subtract the new number by the original number
529 - 680 = -151
-151 ÷ 680 = -0.22205882352941175
-0.22205882352941175 x 100 = -22.21%