-70.52% is the change from 709 to 209
Calculation steps:
[( 209 - 709 ) ÷ 709] x 100 = -70.52%
Formula
Percentage change = [(209 - 709) / 709] x 100
Subtract the new number by the original number
209 - 709 = -500
-500 ÷ 709 = -0.7052186177715092
-0.7052186177715092 x 100 = -70.52%