127.5% is the change from 120 to 273
Calculation steps:
[( 273 - 120 ) ÷ 120] x 100 = 127.5%
Formula
Percentage change = [(273 - 120) / 120] x 100
Subtract the new number by the original number
273 - 120 = 153
153 ÷ 120 = 1.275
1.275 x 100 = 127.5%
Example