-78.78% is the change from 801 to 170
Calculation steps:
[( 170 - 801 ) ÷ 801] x 100 = -78.78%
Formula
Percentage change = [(170 - 801) / 801] x 100
Subtract the new number by the original number
170 - 801 = -631
-631 ÷ 801 = -0.787765293383271
-0.787765293383271 x 100 = -78.78%