-22.54% is the change from 710 to 550
Calculation steps:
[( 550 - 710 ) ÷ 710] x 100 = -22.54%
Formula
Percentage change = [(550 - 710) / 710] x 100
Subtract the new number by the original number
550 - 710 = -160
-160 ÷ 710 = -0.22535211267605634
-0.22535211267605634 x 100 = -22.54%