-6.18% is the change from 857 to 804
Calculation steps:
[( 804 - 857 ) ÷ 857] x 100 = -6.18%
Formula
Percentage change = [(804 - 857) / 857] x 100
Subtract the new number by the original number
804 - 857 = -53
-53 ÷ 857 = -0.061843640606767794
-0.061843640606767794 x 100 = -6.18%