143.28% is the change from 335 to 815
Calculation steps:
[( 815 - 335 ) ÷ 335] x 100 = 143.28%
Formula
Percentage change = [(815 - 335) / 335] x 100
Subtract the new number by the original number
815 - 335 = 480
480 ÷ 335 = 1.4328358208955223
1.4328358208955223 x 100 = 143.28%