-5.49% is the change from 710 to 671
Calculation steps:
[( 671 - 710 ) ÷ 710] x 100 = -5.49%
Formula
Percentage change = [(671 - 710) / 710] x 100
Subtract the new number by the original number
671 - 710 = -39
-39 ÷ 710 = -0.054929577464788736
-0.054929577464788736 x 100 = -5.49%