6.63% is the change from 166 to 177
Calculation steps:
[( 177 - 166 ) ÷ 166] x 100 = 6.63%
Formula
Percentage change = [(177 - 166) / 166] x 100
Subtract the new number by the original number
177 - 166 = 11
11 ÷ 166 = 0.06626506024096386
0.06626506024096386 x 100 = 6.63%