-80.35% is the change from 458 to 90
Calculation steps:
[( 90 - 458 ) ÷ 458] x 100 = -80.35%
Formula
Percentage change = [(90 - 458) / 458] x 100
Subtract the new number by the original number
90 - 458 = -368
-368 ÷ 458 = -0.8034934497816594
-0.8034934497816594 x 100 = -80.35%