-21.76% is the change from 680 to 532
Calculation steps:
[( 532 - 680 ) ÷ 680] x 100 = -21.76%
Formula
Percentage change = [(532 - 680) / 680] x 100
Subtract the new number by the original number
532 - 680 = -148
-148 ÷ 680 = -0.21764705882352942
-0.21764705882352942 x 100 = -21.76%