17.31% is the change from 809 to 949
Calculation steps:
[( 949 - 809 ) ÷ 809] x 100 = 17.31%
Formula
Percentage change = [(949 - 809) / 809] x 100
Subtract the new number by the original number
949 - 809 = 140
140 ÷ 809 = 0.173053152039555
0.173053152039555 x 100 = 17.31%