373.33% is the change from 135 to 639
Calculation steps:
[( 639 - 135 ) ÷ 135] x 100 = 373.33%
Formula
Percentage change = [(639 - 135) / 135] x 100
Subtract the new number by the original number
639 - 135 = 504
504 ÷ 135 = 3.7333333333333334
3.7333333333333334 x 100 = 373.33%