440% is the change from 120 to 648
Calculation steps:
[( 648 - 120 ) ÷ 120] x 100 = 440%
Formula
Percentage change = [(648 - 120) / 120] x 100
Subtract the new number by the original number
648 - 120 = 528
528 ÷ 120 = 4.4
4.4 x 100 = 440%
Example