-56.83% is the change from 857 to 370
Calculation steps:
[( 370 - 857 ) ÷ 857] x 100 = -56.83%
Formula
Percentage change = [(370 - 857) / 857] x 100
Subtract the new number by the original number
370 - 857 = -487
-487 ÷ 857 = -0.5682613768961493
-0.5682613768961493 x 100 = -56.83%