3478.26% is the change from 23 to 823
Calculation steps:
[( 823 - 23 ) ÷ 23] x 100 = 3478.26%
Formula
Percentage change = [(823 - 23) / 23] x 100
Subtract the new number by the original number
823 - 23 = 800
800 ÷ 23 = 34.78260869565217
34.78260869565217 x 100 = 3478.26%