61.02% is the change from 313 to 504
Calculation steps:
[( 504 - 313 ) ÷ 313] x 100 = 61.02%
Formula
Percentage change = [(504 - 313) / 313] x 100
Subtract the new number by the original number
504 - 313 = 191
191 ÷ 313 = 0.610223642172524
0.610223642172524 x 100 = 61.02%