15.87% is the change from 668 to 774
Calculation steps:
[( 774 - 668 ) ÷ 668] x 100 = 15.87%
Formula
Percentage change = [(774 - 668) / 668] x 100
Subtract the new number by the original number
774 - 668 = 106
106 ÷ 668 = 0.15868263473053892
0.15868263473053892 x 100 = 15.87%