321.74% is the change from 23 to 97
Calculation steps:
[( 97 - 23 ) ÷ 23] x 100 = 321.74%
Formula
Percentage change = [(97 - 23) / 23] x 100
Subtract the new number by the original number
97 - 23 = 74
74 ÷ 23 = 3.217391304347826
3.217391304347826 x 100 = 321.74%