103.33% is the change from 150 to 305
Calculation steps:
[( 305 - 150 ) ÷ 150] x 100 = 103.33%
Formula
Percentage change = [(305 - 150) / 150] x 100
Subtract the new number by the original number
305 - 150 = 155
155 ÷ 150 = 1.0333333333333334
1.0333333333333334 x 100 = 103.33%