111.03% is the change from 145 to 306
Calculation steps:
[( 306 - 145 ) ÷ 145] x 100 = 111.03%
Formula
Percentage change = [(306 - 145) / 145] x 100
Subtract the new number by the original number
306 - 145 = 161
161 ÷ 145 = 1.110344827586207
1.110344827586207 x 100 = 111.03%