-77.04% is the change from 331 to 76
Calculation steps:
[( 76 - 331 ) ÷ 331] x 100 = -77.04%
Formula
Percentage change = [(76 - 331) / 331] x 100
Subtract the new number by the original number
76 - 331 = -255
-255 ÷ 331 = -0.770392749244713
-0.770392749244713 x 100 = -77.04%