146.43% is the change from 140 to 345
Calculation steps:
[( 345 - 140 ) ÷ 140] x 100 = 146.43%
Formula
Percentage change = [(345 - 140) / 140] x 100
Subtract the new number by the original number
345 - 140 = 205
205 ÷ 140 = 1.4642857142857142
1.4642857142857142 x 100 = 146.43%