3990.91% is the change from 11 to 450
Calculation steps:
[( 450 - 11 ) ÷ 11] x 100 = 3990.91%
Formula
Percentage change = [(450 - 11) / 11] x 100
Subtract the new number by the original number
450 - 11 = 439
439 ÷ 11 = 39.90909090909091
39.90909090909091 x 100 = 3990.91%