35.58% is the change from 312 to 423
Calculation steps:
[( 423 - 312 ) ÷ 312] x 100 = 35.58%
Formula
Percentage change = [(423 - 312) / 312] x 100
Subtract the new number by the original number
423 - 312 = 111
111 ÷ 312 = 0.3557692307692308
0.3557692307692308 x 100 = 35.58%