162.26% is the change from 310 to 813
Calculation steps:
[( 813 - 310 ) ÷ 310] x 100 = 162.26%
Formula
Percentage change = [(813 - 310) / 310] x 100
Subtract the new number by the original number
813 - 310 = 503
503 ÷ 310 = 1.6225806451612903
1.6225806451612903 x 100 = 162.26%