21.47% is the change from 773 to 939
Calculation steps:
[( 939 - 773 ) ÷ 773] x 100 = 21.47%
Formula
Percentage change = [(939 - 773) / 773] x 100
Subtract the new number by the original number
939 - 773 = 166
166 ÷ 773 = 0.2147477360931436
0.2147477360931436 x 100 = 21.47%