-70.99% is the change from 710 to 206
Calculation steps:
[( 206 - 710 ) ÷ 710] x 100 = -70.99%
Formula
Percentage change = [(206 - 710) / 710] x 100
Subtract the new number by the original number
206 - 710 = -504
-504 ÷ 710 = -0.7098591549295775
-0.7098591549295775 x 100 = -70.99%