18.26% is the change from 838 to 991
Calculation steps:
[( 991 - 838 ) ÷ 838] x 100 = 18.26%
Formula
Percentage change = [(991 - 838) / 838] x 100
Subtract the new number by the original number
991 - 838 = 153
153 ÷ 838 = 0.18257756563245822
0.18257756563245822 x 100 = 18.26%