-8.87% is the change from 710 to 647
Calculation steps:
[( 647 - 710 ) ÷ 710] x 100 = -8.87%
Formula
Percentage change = [(647 - 710) / 710] x 100
Subtract the new number by the original number
647 - 710 = -63
-63 ÷ 710 = -0.08873239436619719
-0.08873239436619719 x 100 = -8.87%