109.59% is the change from 146 to 306
Calculation steps:
[( 306 - 146 ) ÷ 146] x 100 = 109.59%
Formula
Percentage change = [(306 - 146) / 146] x 100
Subtract the new number by the original number
306 - 146 = 160
160 ÷ 146 = 1.095890410958904
1.095890410958904 x 100 = 109.59%