-80.31% is the change from 457 to 90
Calculation steps:
[( 90 - 457 ) ÷ 457] x 100 = -80.31%
Formula
Percentage change = [(90 - 457) / 457] x 100
Subtract the new number by the original number
90 - 457 = -367
-367 ÷ 457 = -0.8030634573304157
-0.8030634573304157 x 100 = -80.31%