18.7% is the change from 722 to 857
Calculation steps:
[( 857 - 722 ) ÷ 722] x 100 = 18.7%
Formula
Percentage change = [(857 - 722) / 722] x 100
Subtract the new number by the original number
857 - 722 = 135
135 ÷ 722 = 0.18698060941828254
0.18698060941828254 x 100 = 18.7%