-98.63% is the change from 804 to 11
Calculation steps:
[( 11 - 804 ) ÷ 804] x 100 = -98.63%
Formula
Percentage change = [(11 - 804) / 804] x 100
Subtract the new number by the original number
11 - 804 = -793
-793 ÷ 804 = -0.986318407960199
-0.986318407960199 x 100 = -98.63%