-78.41% is the change from 857 to 185
Calculation steps:
[( 185 - 857 ) ÷ 857] x 100 = -78.41%
Formula
Percentage change = [(185 - 857) / 857] x 100
Subtract the new number by the original number
185 - 857 = -672
-672 ÷ 857 = -0.7841306884480747
-0.7841306884480747 x 100 = -78.41%