345% is the change from 140 to 623
Calculation steps:
[( 623 - 140 ) ÷ 140] x 100 = 345%
Formula
Percentage change = [(623 - 140) / 140] x 100
Subtract the new number by the original number
623 - 140 = 483
483 ÷ 140 = 3.45
3.45 x 100 = 345%
Example