-91.39% is the change from 453 to 39
Calculation steps:
[( 39 - 453 ) ÷ 453] x 100 = -91.39%
Formula
Percentage change = [(39 - 453) / 453] x 100
Subtract the new number by the original number
39 - 453 = -414
-414 ÷ 453 = -0.9139072847682119
-0.9139072847682119 x 100 = -91.39%