473.94% is the change from 142 to 815
Calculation steps:
[( 815 - 142 ) ÷ 142] x 100 = 473.94%
Formula
Percentage change = [(815 - 142) / 142] x 100
Subtract the new number by the original number
815 - 142 = 673
673 ÷ 142 = 4.73943661971831
4.73943661971831 x 100 = 473.94%