17.5% is the change from 80 to 94
Calculation steps:
[( 94 - 80 ) ÷ 80] x 100 = 17.5%
Formula
Percentage change = [(94 - 80) / 80] x 100
Subtract the new number by the original number
94 - 80 = 14
14 ÷ 80 = 0.175
0.175 x 100 = 17.5%
Example