21.16% is the change from 775 to 939
Calculation steps:
[( 939 - 775 ) ÷ 775] x 100 = 21.16%
Formula
Percentage change = [(939 - 775) / 775] x 100
Subtract the new number by the original number
939 - 775 = 164
164 ÷ 775 = 0.21161290322580645
0.21161290322580645 x 100 = 21.16%