-80.09% is the change from 452 to 90
Calculation steps:
[( 90 - 452 ) ÷ 452] x 100 = -80.09%
Formula
Percentage change = [(90 - 452) / 452] x 100
Subtract the new number by the original number
90 - 452 = -362
-362 ÷ 452 = -0.8008849557522124
-0.8008849557522124 x 100 = -80.09%