-70.6% is the change from 711 to 209
Calculation steps:
[( 209 - 711 ) ÷ 711] x 100 = -70.6%
Formula
Percentage change = [(209 - 711) / 711] x 100
Subtract the new number by the original number
209 - 711 = -502
-502 ÷ 711 = -0.7060478199718706
-0.7060478199718706 x 100 = -70.6%