247.83% is the change from 23 to 80
Calculation steps:
[( 80 - 23 ) ÷ 23] x 100 = 247.83%
Formula
Percentage change = [(80 - 23) / 23] x 100
Subtract the new number by the original number
80 - 23 = 57
57 ÷ 23 = 2.4782608695652173
2.4782608695652173 x 100 = 247.83%