124.03% is the change from 154 to 345
Calculation steps:
[( 345 - 154 ) ÷ 154] x 100 = 124.03%
Formula
Percentage change = [(345 - 154) / 154] x 100
Subtract the new number by the original number
345 - 154 = 191
191 ÷ 154 = 1.2402597402597402
1.2402597402597402 x 100 = 124.03%