-88.74% is the change from 453 to 51
Calculation steps:
[( 51 - 453 ) ÷ 453] x 100 = -88.74%
Formula
Percentage change = [(51 - 453) / 453] x 100
Subtract the new number by the original number
51 - 453 = -402
-402 ÷ 453 = -0.8874172185430463
-0.8874172185430463 x 100 = -88.74%