-70.77% is the change from 715 to 209
Calculation steps:
[( 209 - 715 ) ÷ 715] x 100 = -70.77%
Formula
Percentage change = [(209 - 715) / 715] x 100
Subtract the new number by the original number
209 - 715 = -506
-506 ÷ 715 = -0.7076923076923077
-0.7076923076923077 x 100 = -70.77%