29.72% is the change from 710 to 921
Calculation steps:
[( 921 - 710 ) ÷ 710] x 100 = 29.72%
Formula
Percentage change = [(921 - 710) / 710] x 100
Subtract the new number by the original number
921 - 710 = 211
211 ÷ 710 = 0.2971830985915493
0.2971830985915493 x 100 = 29.72%