234.07% is the change from 135 to 451
Calculation steps:
[( 451 - 135 ) ÷ 135] x 100 = 234.07%
Formula
Percentage change = [(451 - 135) / 135] x 100
Subtract the new number by the original number
451 - 135 = 316
316 ÷ 135 = 2.3407407407407406
2.3407407407407406 x 100 = 234.07%