-53.96% is the change from 454 to 209
Calculation steps:
[( 209 - 454 ) ÷ 454] x 100 = -53.96%
Formula
Percentage change = [(209 - 454) / 454] x 100
Subtract the new number by the original number
209 - 454 = -245
-245 ÷ 454 = -0.539647577092511
-0.539647577092511 x 100 = -53.96%