-12.55% is the change from 709 to 620
Calculation steps:
[( 620 - 709 ) ÷ 709] x 100 = -12.55%
Formula
Percentage change = [(620 - 709) / 709] x 100
Subtract the new number by the original number
620 - 709 = -89
-89 ÷ 709 = -0.12552891396332863
-0.12552891396332863 x 100 = -12.55%