-31.95% is the change from 870 to 592
Calculation steps:
[( 592 - 870 ) ÷ 870] x 100 = -31.95%
Formula
Percentage change = [(592 - 870) / 870] x 100
Subtract the new number by the original number
592 - 870 = -278
-278 ÷ 870 = -0.3195402298850575
-0.3195402298850575 x 100 = -31.95%