2704.35% is the change from 23 to 645
Calculation steps:
[( 645 - 23 ) ÷ 23] x 100 = 2704.35%
Formula
Percentage change = [(645 - 23) / 23] x 100
Subtract the new number by the original number
645 - 23 = 622
622 ÷ 23 = 27.043478260869566
27.043478260869566 x 100 = 2704.35%