78.5% is the change from 479 to 855
Calculation steps:
[( 855 - 479 ) ÷ 479] x 100 = 78.5%
Formula
Percentage change = [(855 - 479) / 479] x 100
Subtract the new number by the original number
855 - 479 = 376
376 ÷ 479 = 0.7849686847599165
0.7849686847599165 x 100 = 78.5%