-90.07% is the change from 453 to 45
Calculation steps:
[( 45 - 453 ) ÷ 453] x 100 = -90.07%
Formula
Percentage change = [(45 - 453) / 453] x 100
Subtract the new number by the original number
45 - 453 = -408
-408 ÷ 453 = -0.9006622516556292
-0.9006622516556292 x 100 = -90.07%