13.23% is the change from 771 to 873
Calculation steps:
[( 873 - 771 ) ÷ 771] x 100 = 13.23%
Formula
Percentage change = [(873 - 771) / 771] x 100
Subtract the new number by the original number
873 - 771 = 102
102 ÷ 771 = 0.13229571984435798
0.13229571984435798 x 100 = 13.23%