15.7% is the change from 809 to 936
Calculation steps:
[( 936 - 809 ) ÷ 809] x 100 = 15.7%
Formula
Percentage change = [(936 - 809) / 809] x 100
Subtract the new number by the original number
936 - 809 = 127
127 ÷ 809 = 0.15698393077873918
0.15698393077873918 x 100 = 15.7%