109.04% is the change from 166 to 347
Calculation steps:
[( 347 - 166 ) ÷ 166] x 100 = 109.04%
Formula
Percentage change = [(347 - 166) / 166] x 100
Subtract the new number by the original number
347 - 166 = 181
181 ÷ 166 = 1.0903614457831325
1.0903614457831325 x 100 = 109.04%