380% is the change from 135 to 648
Calculation steps:
[( 648 - 135 ) ÷ 135] x 100 = 380%
Formula
Percentage change = [(648 - 135) / 135] x 100
Subtract the new number by the original number
648 - 135 = 513
513 ÷ 135 = 3.8
3.8 x 100 = 380%
Example