319.12% is the change from 204 to 855
Calculation steps:
[( 855 - 204 ) ÷ 204] x 100 = 319.12%
Formula
Percentage change = [(855 - 204) / 204] x 100
Subtract the new number by the original number
855 - 204 = 651
651 ÷ 204 = 3.1911764705882355
3.1911764705882355 x 100 = 319.12%