28.81% is the change from 715 to 921
Calculation steps:
[( 921 - 715 ) ÷ 715] x 100 = 28.81%
Formula
Percentage change = [(921 - 715) / 715] x 100
Subtract the new number by the original number
921 - 715 = 206
206 ÷ 715 = 0.2881118881118881
0.2881118881118881 x 100 = 28.81%