-66.29% is the change from 804 to 271
Calculation steps:
[( 271 - 804 ) ÷ 804] x 100 = -66.29%
Formula
Percentage change = [(271 - 804) / 804] x 100
Subtract the new number by the original number
271 - 804 = -533
-533 ÷ 804 = -0.6629353233830846
-0.6629353233830846 x 100 = -66.29%