142.01% is the change from 338 to 818
Calculation steps:
[( 818 - 338 ) ÷ 338] x 100 = 142.01%
Formula
Percentage change = [(818 - 338) / 338] x 100
Subtract the new number by the original number
818 - 338 = 480
480 ÷ 338 = 1.4201183431952662
1.4201183431952662 x 100 = 142.01%