178.9% is the change from 109 to 304
Calculation steps:
[( 304 - 109 ) ÷ 109] x 100 = 178.9%
Formula
Percentage change = [(304 - 109) / 109] x 100
Subtract the new number by the original number
304 - 109 = 195
195 ÷ 109 = 1.7889908256880733
1.7889908256880733 x 100 = 178.9%