-68.14% is the change from 656 to 209
Calculation steps:
[( 209 - 656 ) ÷ 656] x 100 = -68.14%
Formula
Percentage change = [(209 - 656) / 656] x 100
Subtract the new number by the original number
209 - 656 = -447
-447 ÷ 656 = -0.6814024390243902
-0.6814024390243902 x 100 = -68.14%