338.73% is the change from 142 to 623
Calculation steps:
[( 623 - 142 ) ÷ 142] x 100 = 338.73%
Formula
Percentage change = [(623 - 142) / 142] x 100
Subtract the new number by the original number
623 - 142 = 481
481 ÷ 142 = 3.387323943661972
3.387323943661972 x 100 = 338.73%