278.33% is the change from 120 to 454
Calculation steps:
[( 454 - 120 ) ÷ 120] x 100 = 278.33%
Formula
Percentage change = [(454 - 120) / 120] x 100
Subtract the new number by the original number
454 - 120 = 334
334 ÷ 120 = 2.783333333333333
2.783333333333333 x 100 = 278.33%