-47.59% is the change from 870 to 456
Calculation steps:
[( 456 - 870 ) ÷ 870] x 100 = -47.59%
Formula
Percentage change = [(456 - 870) / 870] x 100
Subtract the new number by the original number
456 - 870 = -414
-414 ÷ 870 = -0.47586206896551725
-0.47586206896551725 x 100 = -47.59%