109.46% is the change from 148 to 310
Calculation steps:
[( 310 - 148 ) ÷ 148] x 100 = 109.46%
Formula
Percentage change = [(310 - 148) / 148] x 100
Subtract the new number by the original number
310 - 148 = 162
162 ÷ 148 = 1.0945945945945945
1.0945945945945945 x 100 = 109.46%