175% is the change from 24 to 66
Calculation steps:
[( 66 - 24 ) ÷ 24] x 100 = 175%
Formula
Percentage change = [(66 - 24) / 24] x 100
Subtract the new number by the original number
66 - 24 = 42
42 ÷ 24 = 1.75
1.75 x 100 = 175%
Example