169.54% is the change from 302 to 814
Calculation steps:
[( 814 - 302 ) ÷ 302] x 100 = 169.54%
Formula
Percentage change = [(814 - 302) / 302] x 100
Subtract the new number by the original number
814 - 302 = 512
512 ÷ 302 = 1.695364238410596
1.695364238410596 x 100 = 169.54%