22.27% is the change from 768 to 939
Calculation steps:
[( 939 - 768 ) ÷ 768] x 100 = 22.27%
Formula
Percentage change = [(939 - 768) / 768] x 100
Subtract the new number by the original number
939 - 768 = 171
171 ÷ 768 = 0.22265625
0.22265625 x 100 = 22.27%