-11.68% is the change from 702 to 620
Calculation steps:
[( 620 - 702 ) ÷ 702] x 100 = -11.68%
Formula
Percentage change = [(620 - 702) / 702] x 100
Subtract the new number by the original number
620 - 702 = -82
-82 ÷ 702 = -0.1168091168091168
-0.1168091168091168 x 100 = -11.68%