45000% is the change from 1 to 451
Calculation steps:
[( 451 - 1 ) ÷ 1] x 100 = 45000%
Formula
Percentage change = [(451 - 1) / 1] x 100
Subtract the new number by the original number
451 - 1 = 450
450 ÷ 1 = 450
450 x 100 = 45000%
Example