7.21% is the change from 777 to 833
Calculation steps:
[( 833 - 777 ) ÷ 777] x 100 = 7.21%
Formula
Percentage change = [(833 - 777) / 777] x 100
Subtract the new number by the original number
833 - 777 = 56
56 ÷ 777 = 0.07207207207207207
0.07207207207207207 x 100 = 7.21%