8.34% is the change from 767 to 831
Calculation steps:
[( 831 - 767 ) ÷ 767] x 100 = 8.34%
Formula
Percentage change = [(831 - 767) / 767] x 100
Subtract the new number by the original number
831 - 767 = 64
64 ÷ 767 = 0.08344198174706649
0.08344198174706649 x 100 = 8.34%