15.7% is the change from 669 to 774
Calculation steps:
[( 774 - 669 ) ÷ 669] x 100 = 15.7%
Formula
Percentage change = [(774 - 669) / 669] x 100
Subtract the new number by the original number
774 - 669 = 105
105 ÷ 669 = 0.15695067264573992
0.15695067264573992 x 100 = 15.7%