-74.16% is the change from 209 to 54
Calculation steps:
[( 54 - 209 ) ÷ 209] x 100 = -74.16%
Formula
Percentage change = [(54 - 209) / 209] x 100
Subtract the new number by the original number
54 - 209 = -155
-155 ÷ 209 = -0.7416267942583732
-0.7416267942583732 x 100 = -74.16%