-56.48% is the change from 857 to 373
Calculation steps:
[( 373 - 857 ) ÷ 857] x 100 = -56.48%
Formula
Percentage change = [(373 - 857) / 857] x 100
Subtract the new number by the original number
373 - 857 = -484
-484 ÷ 857 = -0.5647607934655776
-0.5647607934655776 x 100 = -56.48%