16.11% is the change from 664 to 771
Calculation steps:
[( 771 - 664 ) ÷ 664] x 100 = 16.11%
Formula
Percentage change = [(771 - 664) / 664] x 100
Subtract the new number by the original number
771 - 664 = 107
107 ÷ 664 = 0.16114457831325302
0.16114457831325302 x 100 = 16.11%