-79.76% is the change from 425 to 86
Calculation steps:
[( 86 - 425 ) ÷ 425] x 100 = -79.76%
Formula
Percentage change = [(86 - 425) / 425] x 100
Subtract the new number by the original number
86 - 425 = -339
-339 ÷ 425 = -0.7976470588235294
-0.7976470588235294 x 100 = -79.76%