4221.74% is the change from 23 to 994
Calculation steps:
[( 994 - 23 ) ÷ 23] x 100 = 4221.74%
Formula
Percentage change = [(994 - 23) / 23] x 100
Subtract the new number by the original number
994 - 23 = 971
971 ÷ 23 = 42.21739130434783
42.21739130434783 x 100 = 4221.74%