-80.6% is the change from 464 to 90
Calculation steps:
[( 90 - 464 ) ÷ 464] x 100 = -80.6%
Formula
Percentage change = [(90 - 464) / 464] x 100
Subtract the new number by the original number
90 - 464 = -374
-374 ÷ 464 = -0.8060344827586207
-0.8060344827586207 x 100 = -80.6%