-31.72% is the change from 870 to 594
Calculation steps:
[( 594 - 870 ) ÷ 870] x 100 = -31.72%
Formula
Percentage change = [(594 - 870) / 870] x 100
Subtract the new number by the original number
594 - 870 = -276
-276 ÷ 870 = -0.31724137931034485
-0.31724137931034485 x 100 = -31.72%