-55.31% is the change from 857 to 383
Calculation steps:
[( 383 - 857 ) ÷ 857] x 100 = -55.31%
Formula
Percentage change = [(383 - 857) / 857] x 100
Subtract the new number by the original number
383 - 857 = -474
-474 ÷ 857 = -0.5530921820303384
-0.5530921820303384 x 100 = -55.31%