-77.36% is the change from 857 to 194
Calculation steps:
[( 194 - 857 ) ÷ 857] x 100 = -77.36%
Formula
Percentage change = [(194 - 857) / 857] x 100
Subtract the new number by the original number
194 - 857 = -663
-663 ÷ 857 = -0.7736289381563594
-0.7736289381563594 x 100 = -77.36%