-70.7% is the change from 710 to 208
Calculation steps:
[( 208 - 710 ) ÷ 710] x 100 = -70.7%
Formula
Percentage change = [(208 - 710) / 710] x 100
Subtract the new number by the original number
208 - 710 = -502
-502 ÷ 710 = -0.7070422535211267
-0.7070422535211267 x 100 = -70.7%