6.74% is the change from 771 to 823
Calculation steps:
[( 823 - 771 ) ÷ 771] x 100 = 6.74%
Formula
Percentage change = [(823 - 771) / 771] x 100
Subtract the new number by the original number
823 - 771 = 52
52 ÷ 771 = 0.06744487678339818
0.06744487678339818 x 100 = 6.74%