-79.08% is the change from 870 to 182
Calculation steps:
[( 182 - 870 ) ÷ 870] x 100 = -79.08%
Formula
Percentage change = [(182 - 870) / 870] x 100
Subtract the new number by the original number
182 - 870 = -688
-688 ÷ 870 = -0.7908045977011494
-0.7908045977011494 x 100 = -79.08%