-53.3% is the change from 454 to 212
Calculation steps:
[( 212 - 454 ) ÷ 454] x 100 = -53.3%
Formula
Percentage change = [(212 - 454) / 454] x 100
Subtract the new number by the original number
212 - 454 = -242
-242 ÷ 454 = -0.5330396475770925
-0.5330396475770925 x 100 = -53.3%