179.82% is the change from 109 to 305
Calculation steps:
[( 305 - 109 ) ÷ 109] x 100 = 179.82%
Formula
Percentage change = [(305 - 109) / 109] x 100
Subtract the new number by the original number
305 - 109 = 196
196 ÷ 109 = 1.798165137614679
1.798165137614679 x 100 = 179.82%