2034.78% is the change from 23 to 491
Calculation steps:
[( 491 - 23 ) ÷ 23] x 100 = 2034.78%
Formula
Percentage change = [(491 - 23) / 23] x 100
Subtract the new number by the original number
491 - 23 = 468
468 ÷ 23 = 20.347826086956523
20.347826086956523 x 100 = 2034.78%