20.42% is the change from 710 to 855
Calculation steps:
[( 855 - 710 ) ÷ 710] x 100 = 20.42%
Formula
Percentage change = [(855 - 710) / 710] x 100
Subtract the new number by the original number
855 - 710 = 145
145 ÷ 710 = 0.20422535211267606
0.20422535211267606 x 100 = 20.42%