-46.9% is the change from 870 to 462
Calculation steps:
[( 462 - 870 ) ÷ 870] x 100 = -46.9%
Formula
Percentage change = [(462 - 870) / 870] x 100
Subtract the new number by the original number
462 - 870 = -408
-408 ÷ 870 = -0.4689655172413793
-0.4689655172413793 x 100 = -46.9%