-90.04% is the change from 452 to 45
Calculation steps:
[( 45 - 452 ) ÷ 452] x 100 = -90.04%
Formula
Percentage change = [(45 - 452) / 452] x 100
Subtract the new number by the original number
45 - 452 = -407
-407 ÷ 452 = -0.9004424778761062
-0.9004424778761062 x 100 = -90.04%