-77.5% is the change from 680 to 153
Calculation steps:
[( 153 - 680 ) ÷ 680] x 100 = -77.5%
Formula
Percentage change = [(153 - 680) / 680] x 100
Subtract the new number by the original number
153 - 680 = -527
-527 ÷ 680 = -0.775
-0.775 x 100 = -77.5%