-78.31% is the change from 724 to 157
Calculation steps:
[( 157 - 724 ) ÷ 724] x 100 = -78.31%
Formula
Percentage change = [(157 - 724) / 724] x 100
Subtract the new number by the original number
157 - 724 = -567
-567 ÷ 724 = -0.7831491712707183
-0.7831491712707183 x 100 = -78.31%