48.08% is the change from 312 to 462
Calculation steps:
[( 462 - 312 ) ÷ 312] x 100 = 48.08%
Formula
Percentage change = [(462 - 312) / 312] x 100
Subtract the new number by the original number
462 - 312 = 150
150 ÷ 312 = 0.4807692307692308
0.4807692307692308 x 100 = 48.08%