-79.02% is the change from 839 to 176
Calculation steps:
[( 176 - 839 ) ÷ 839] x 100 = -79.02%
Formula
Percentage change = [(176 - 839) / 839] x 100
Subtract the new number by the original number
176 - 839 = -663
-663 ÷ 839 = -0.7902264600715138
-0.7902264600715138 x 100 = -79.02%