-86.12% is the change from 454 to 63
Calculation steps:
[( 63 - 454 ) ÷ 454] x 100 = -86.12%
Formula
Percentage change = [(63 - 454) / 454] x 100
Subtract the new number by the original number
63 - 454 = -391
-391 ÷ 454 = -0.8612334801762115
-0.8612334801762115 x 100 = -86.12%