-78.61% is the change from 804 to 172
Calculation steps:
[( 172 - 804 ) ÷ 804] x 100 = -78.61%
Formula
Percentage change = [(172 - 804) / 804] x 100
Subtract the new number by the original number
172 - 804 = -632
-632 ÷ 804 = -0.7860696517412935
-0.7860696517412935 x 100 = -78.61%