2.59% is the change from 771 to 791
Calculation steps:
[( 791 - 771 ) ÷ 771] x 100 = 2.59%
Formula
Percentage change = [(791 - 771) / 771] x 100
Subtract the new number by the original number
791 - 771 = 20
20 ÷ 771 = 0.02594033722438392
0.02594033722438392 x 100 = 2.59%