120% is the change from 35 to 77
Calculation steps:
[( 77 - 35 ) ÷ 35] x 100 = 120%
Formula
Percentage change = [(77 - 35) / 35] x 100
Subtract the new number by the original number
77 - 35 = 42
42 ÷ 35 = 1.2
1.2 x 100 = 120%
Example