-69.3% is the change from 710 to 218
Calculation steps:
[( 218 - 710 ) ÷ 710] x 100 = -69.3%
Formula
Percentage change = [(218 - 710) / 710] x 100
Subtract the new number by the original number
218 - 710 = -492
-492 ÷ 710 = -0.6929577464788732
-0.6929577464788732 x 100 = -69.3%