-73.63% is the change from 804 to 212
Calculation steps:
[( 212 - 804 ) ÷ 804] x 100 = -73.63%
Formula
Percentage change = [(212 - 804) / 804] x 100
Subtract the new number by the original number
212 - 804 = -592
-592 ÷ 804 = -0.736318407960199
-0.736318407960199 x 100 = -73.63%