-90.03% is the change from 702 to 70
Calculation steps:
[( 70 - 702 ) ÷ 702] x 100 = -90.03%
Formula
Percentage change = [(70 - 702) / 702] x 100
Subtract the new number by the original number
70 - 702 = -632
-632 ÷ 702 = -0.9002849002849003
-0.9002849002849003 x 100 = -90.03%