15.8% is the change from 671 to 777
Calculation steps:
[( 777 - 671 ) ÷ 671] x 100 = 15.8%
Formula
Percentage change = [(777 - 671) / 671] x 100
Subtract the new number by the original number
777 - 671 = 106
106 ÷ 671 = 0.15797317436661698
0.15797317436661698 x 100 = 15.8%