119.51% is the change from 451 to 990
Calculation steps:
[( 990 - 451 ) ÷ 451] x 100 = 119.51%
Formula
Percentage change = [(990 - 451) / 451] x 100
Subtract the new number by the original number
990 - 451 = 539
539 ÷ 451 = 1.1951219512195121
1.1951219512195121 x 100 = 119.51%