-43.06% is the change from 857 to 488
Calculation steps:
[( 488 - 857 ) ÷ 857] x 100 = -43.06%
Formula
Percentage change = [(488 - 857) / 857] x 100
Subtract the new number by the original number
488 - 857 = -369
-369 ÷ 857 = -0.4305717619603267
-0.4305717619603267 x 100 = -43.06%