134.29% is the change from 347 to 813
Calculation steps:
[( 813 - 347 ) ÷ 347] x 100 = 134.29%
Formula
Percentage change = [(813 - 347) / 347] x 100
Subtract the new number by the original number
813 - 347 = 466
466 ÷ 347 = 1.3429394812680115
1.3429394812680115 x 100 = 134.29%