-70.09% is the change from 702 to 210
Calculation steps:
[( 210 - 702 ) ÷ 702] x 100 = -70.09%
Formula
Percentage change = [(210 - 702) / 702] x 100
Subtract the new number by the original number
210 - 702 = -492
-492 ÷ 702 = -0.7008547008547008
-0.7008547008547008 x 100 = -70.09%