-32.41% is the change from 870 to 588
Calculation steps:
[( 588 - 870 ) ÷ 870] x 100 = -32.41%
Formula
Percentage change = [(588 - 870) / 870] x 100
Subtract the new number by the original number
588 - 870 = -282
-282 ÷ 870 = -0.32413793103448274
-0.32413793103448274 x 100 = -32.41%