-70.99% is the change from 717 to 208
Calculation steps:
[( 208 - 717 ) ÷ 717] x 100 = -70.99%
Formula
Percentage change = [(208 - 717) / 717] x 100
Subtract the new number by the original number
208 - 717 = -509
-509 ÷ 717 = -0.7099023709902371
-0.7099023709902371 x 100 = -70.99%