-78.82% is the change from 425 to 90
Calculation steps:
[( 90 - 425 ) ÷ 425] x 100 = -78.82%
Formula
Percentage change = [(90 - 425) / 425] x 100
Subtract the new number by the original number
90 - 425 = -335
-335 ÷ 425 = -0.788235294117647
-0.788235294117647 x 100 = -78.82%