-21.65% is the change from 702 to 550
Calculation steps:
[( 550 - 702 ) ÷ 702] x 100 = -21.65%
Formula
Percentage change = [(550 - 702) / 702] x 100
Subtract the new number by the original number
550 - 702 = -152
-152 ÷ 702 = -0.21652421652421652
-0.21652421652421652 x 100 = -21.65%