65.06% is the change from 166 to 274
Calculation steps:
[( 274 - 166 ) ÷ 166] x 100 = 65.06%
Formula
Percentage change = [(274 - 166) / 166] x 100
Subtract the new number by the original number
274 - 166 = 108
108 ÷ 166 = 0.6506024096385542
0.6506024096385542 x 100 = 65.06%