74.16% is the change from 178 to 310
Calculation steps:
[( 310 - 178 ) ÷ 178] x 100 = 74.16%
Formula
Percentage change = [(310 - 178) / 178] x 100
Subtract the new number by the original number
310 - 178 = 132
132 ÷ 178 = 0.7415730337078652
0.7415730337078652 x 100 = 74.16%