-78.25% is the change from 331 to 72
Calculation steps:
[( 72 - 331 ) ÷ 331] x 100 = -78.25%
Formula
Percentage change = [(72 - 331) / 331] x 100
Subtract the new number by the original number
72 - 331 = -259
-259 ÷ 331 = -0.7824773413897281
-0.7824773413897281 x 100 = -78.25%