-87.51% is the change from 857 to 107
Calculation steps:
[( 107 - 857 ) ÷ 857] x 100 = -87.51%
Formula
Percentage change = [(107 - 857) / 857] x 100
Subtract the new number by the original number
107 - 857 = -750
-750 ÷ 857 = -0.8751458576429405
-0.8751458576429405 x 100 = -87.51%