-76.03% is the change from 851 to 204
Calculation steps:
[( 204 - 851 ) ÷ 851] x 100 = -76.03%
Formula
Percentage change = [(204 - 851) / 851] x 100
Subtract the new number by the original number
204 - 851 = -647
-647 ÷ 851 = -0.7602820211515864
-0.7602820211515864 x 100 = -76.03%