335.17% is the change from 145 to 631
Calculation steps:
[( 631 - 145 ) ÷ 145] x 100 = 335.17%
Formula
Percentage change = [(631 - 145) / 145] x 100
Subtract the new number by the original number
631 - 145 = 486
486 ÷ 145 = 3.3517241379310345
3.3517241379310345 x 100 = 335.17%