-80.65% is the change from 465 to 90
Calculation steps:
[( 90 - 465 ) ÷ 465] x 100 = -80.65%
Formula
Percentage change = [(90 - 465) / 465] x 100
Subtract the new number by the original number
90 - 465 = -375
-375 ÷ 465 = -0.8064516129032258
-0.8064516129032258 x 100 = -80.65%