-81.88% is the change from 425 to 77
Calculation steps:
[( 77 - 425 ) ÷ 425] x 100 = -81.88%
Formula
Percentage change = [(77 - 425) / 425] x 100
Subtract the new number by the original number
77 - 425 = -348
-348 ÷ 425 = -0.8188235294117647
-0.8188235294117647 x 100 = -81.88%