75% is the change from 176 to 308
Calculation steps:
[( 308 - 176 ) ÷ 176] x 100 = 75%
Formula
Percentage change = [(308 - 176) / 176] x 100
Subtract the new number by the original number
308 - 176 = 132
132 ÷ 176 = 0.75
0.75 x 100 = 75%
Example