48.71% is the change from 310 to 461
Calculation steps:
[( 461 - 310 ) ÷ 310] x 100 = 48.71%
Formula
Percentage change = [(461 - 310) / 310] x 100
Subtract the new number by the original number
461 - 310 = 151
151 ÷ 310 = 0.4870967741935484
0.4870967741935484 x 100 = 48.71%