1991.3% is the change from 23 to 481
Calculation steps:
[( 481 - 23 ) ÷ 23] x 100 = 1991.3%
Formula
Percentage change = [(481 - 23) / 23] x 100
Subtract the new number by the original number
481 - 23 = 458
458 ÷ 23 = 19.91304347826087
19.91304347826087 x 100 = 1991.3%