2134.78% is the change from 23 to 514
Calculation steps:
[( 514 - 23 ) ÷ 23] x 100 = 2134.78%
Formula
Percentage change = [(514 - 23) / 23] x 100
Subtract the new number by the original number
514 - 23 = 491
491 ÷ 23 = 21.347826086956523
21.347826086956523 x 100 = 2134.78%