6.41% is the change from 156 to 166
Calculation steps:
[( 166 - 156 ) ÷ 156] x 100 = 6.41%
Formula
Percentage change = [(166 - 156) / 156] x 100
Subtract the new number by the original number
166 - 156 = 10
10 ÷ 156 = 0.0641025641025641
0.0641025641025641 x 100 = 6.41%