-78.96% is the change from 808 to 170
Calculation steps:
[( 170 - 808 ) ÷ 808] x 100 = -78.96%
Formula
Percentage change = [(170 - 808) / 808] x 100
Subtract the new number by the original number
170 - 808 = -638
-638 ÷ 808 = -0.7896039603960396
-0.7896039603960396 x 100 = -78.96%