81.61% is the change from 174 to 316
Calculation steps:
[( 316 - 174 ) ÷ 174] x 100 = 81.61%
Formula
Percentage change = [(316 - 174) / 174] x 100
Subtract the new number by the original number
316 - 174 = 142
142 ÷ 174 = 0.8160919540229885
0.8160919540229885 x 100 = 81.61%