4234.78% is the change from 23 to 997
Calculation steps:
[( 997 - 23 ) ÷ 23] x 100 = 4234.78%
Formula
Percentage change = [(997 - 23) / 23] x 100
Subtract the new number by the original number
997 - 23 = 974
974 ÷ 23 = 42.34782608695652
42.34782608695652 x 100 = 4234.78%