21.7% is the change from 705 to 858
Calculation steps:
[( 858 - 705 ) ÷ 705] x 100 = 21.7%
Formula
Percentage change = [(858 - 705) / 705] x 100
Subtract the new number by the original number
858 - 705 = 153
153 ÷ 705 = 0.2170212765957447
0.2170212765957447 x 100 = 21.7%