540% is the change from 120 to 768
Calculation steps:
[( 768 - 120 ) ÷ 120] x 100 = 540%
Formula
Percentage change = [(768 - 120) / 120] x 100
Subtract the new number by the original number
768 - 120 = 648
648 ÷ 120 = 5.4
5.4 x 100 = 540%
Example