-43.91% is the change from 870 to 488
Calculation steps:
[( 488 - 870 ) ÷ 870] x 100 = -43.91%
Formula
Percentage change = [(488 - 870) / 870] x 100
Subtract the new number by the original number
488 - 870 = -382
-382 ÷ 870 = -0.43908045977011495
-0.43908045977011495 x 100 = -43.91%