21.02% is the change from 709 to 858
Calculation steps:
[( 858 - 709 ) ÷ 709] x 100 = 21.02%
Formula
Percentage change = [(858 - 709) / 709] x 100
Subtract the new number by the original number
858 - 709 = 149
149 ÷ 709 = 0.21015514809590974
0.21015514809590974 x 100 = 21.02%