-88.77% is the change from 454 to 51
Calculation steps:
[( 51 - 454 ) ÷ 454] x 100 = -88.77%
Formula
Percentage change = [(51 - 454) / 454] x 100
Subtract the new number by the original number
51 - 454 = -403
-403 ÷ 454 = -0.8876651982378855
-0.8876651982378855 x 100 = -88.77%