3904.35% is the change from 23 to 921
Calculation steps:
[( 921 - 23 ) ÷ 23] x 100 = 3904.35%
Formula
Percentage change = [(921 - 23) / 23] x 100
Subtract the new number by the original number
921 - 23 = 898
898 ÷ 23 = 39.04347826086956
39.04347826086956 x 100 = 3904.35%