-21.03% is the change from 680 to 537
Calculation steps:
[( 537 - 680 ) ÷ 680] x 100 = -21.03%
Formula
Percentage change = [(537 - 680) / 680] x 100
Subtract the new number by the original number
537 - 680 = -143
-143 ÷ 680 = -0.21029411764705883
-0.21029411764705883 x 100 = -21.03%