4217.39% is the change from 23 to 993
Calculation steps:
[( 993 - 23 ) ÷ 23] x 100 = 4217.39%
Formula
Percentage change = [(993 - 23) / 23] x 100
Subtract the new number by the original number
993 - 23 = 970
970 ÷ 23 = 42.17391304347826
42.17391304347826 x 100 = 4217.39%