-78.59% is the change from 808 to 173
Calculation steps:
[( 173 - 808 ) ÷ 808] x 100 = -78.59%
Formula
Percentage change = [(173 - 808) / 808] x 100
Subtract the new number by the original number
173 - 808 = -635
-635 ÷ 808 = -0.7858910891089109
-0.7858910891089109 x 100 = -78.59%