29.49% is the change from 312 to 404
Calculation steps:
[( 404 - 312 ) ÷ 312] x 100 = 29.49%
Formula
Percentage change = [(404 - 312) / 312] x 100
Subtract the new number by the original number
404 - 312 = 92
92 ÷ 312 = 0.2948717948717949
0.2948717948717949 x 100 = 29.49%