-16.1% is the change from 857 to 719
Calculation steps:
[( 719 - 857 ) ÷ 857] x 100 = -16.1%
Formula
Percentage change = [(719 - 857) / 857] x 100
Subtract the new number by the original number
719 - 857 = -138
-138 ÷ 857 = -0.16102683780630106
-0.16102683780630106 x 100 = -16.1%