-62.68% is the change from 209 to 78
Calculation steps:
[( 78 - 209 ) ÷ 209] x 100 = -62.68%
Formula
Percentage change = [(78 - 209) / 209] x 100
Subtract the new number by the original number
78 - 209 = -131
-131 ÷ 209 = -0.6267942583732058
-0.6267942583732058 x 100 = -62.68%