78.87% is the change from 478 to 855
Calculation steps:
[( 855 - 478 ) ÷ 478] x 100 = 78.87%
Formula
Percentage change = [(855 - 478) / 478] x 100
Subtract the new number by the original number
855 - 478 = 377
377 ÷ 478 = 0.7887029288702929
0.7887029288702929 x 100 = 78.87%