-89.87% is the change from 454 to 46
Calculation steps:
[( 46 - 454 ) ÷ 454] x 100 = -89.87%
Formula
Percentage change = [(46 - 454) / 454] x 100
Subtract the new number by the original number
46 - 454 = -408
-408 ÷ 454 = -0.8986784140969163
-0.8986784140969163 x 100 = -89.87%