120.78% is the change from 77 to 170
Calculation steps:
[( 170 - 77 ) ÷ 77] x 100 = 120.78%
Formula
Percentage change = [(170 - 77) / 77] x 100
Subtract the new number by the original number
170 - 77 = 93
93 ÷ 77 = 1.2077922077922079
1.2077922077922079 x 100 = 120.78%