139.88% is the change from 341 to 818
Calculation steps:
[( 818 - 341 ) ÷ 341] x 100 = 139.88%
Formula
Percentage change = [(818 - 341) / 341] x 100
Subtract the new number by the original number
818 - 341 = 477
477 ÷ 341 = 1.3988269794721409
1.3988269794721409 x 100 = 139.88%