-31.61% is the change from 870 to 595
Calculation steps:
[( 595 - 870 ) ÷ 870] x 100 = -31.61%
Formula
Percentage change = [(595 - 870) / 870] x 100
Subtract the new number by the original number
595 - 870 = -275
-275 ÷ 870 = -0.3160919540229885
-0.3160919540229885 x 100 = -31.61%