15.55% is the change from 669 to 773
Calculation steps:
[( 773 - 669 ) ÷ 669] x 100 = 15.55%
Formula
Percentage change = [(773 - 669) / 669] x 100
Subtract the new number by the original number
773 - 669 = 104
104 ÷ 669 = 0.1554559043348281
0.1554559043348281 x 100 = 15.55%