56.77% is the change from 310 to 486
Calculation steps:
[( 486 - 310 ) ÷ 310] x 100 = 56.77%
Formula
Percentage change = [(486 - 310) / 310] x 100
Subtract the new number by the original number
486 - 310 = 176
176 ÷ 310 = 0.567741935483871
0.567741935483871 x 100 = 56.77%