-56.9% is the change from 870 to 375
Calculation steps:
[( 375 - 870 ) ÷ 870] x 100 = -56.9%
Formula
Percentage change = [(375 - 870) / 870] x 100
Subtract the new number by the original number
375 - 870 = -495
-495 ÷ 870 = -0.5689655172413793
-0.5689655172413793 x 100 = -56.9%