-45.98% is the change from 870 to 470
Calculation steps:
[( 470 - 870 ) ÷ 870] x 100 = -45.98%
Formula
Percentage change = [(470 - 870) / 870] x 100
Subtract the new number by the original number
470 - 870 = -400
-400 ÷ 870 = -0.45977011494252873
-0.45977011494252873 x 100 = -45.98%