-47.82% is the change from 870 to 454
Calculation steps:
[( 454 - 870 ) ÷ 870] x 100 = -47.82%
Formula
Percentage change = [(454 - 870) / 870] x 100
Subtract the new number by the original number
454 - 870 = -416
-416 ÷ 870 = -0.4781609195402299
-0.4781609195402299 x 100 = -47.82%