169.21% is the change from 302 to 813
Calculation steps:
[( 813 - 302 ) ÷ 302] x 100 = 169.21%
Formula
Percentage change = [(813 - 302) / 302] x 100
Subtract the new number by the original number
813 - 302 = 511
511 ÷ 302 = 1.6920529801324504
1.6920529801324504 x 100 = 169.21%