-15.29% is the change from 857 to 726
Calculation steps:
[( 726 - 857 ) ÷ 857] x 100 = -15.29%
Formula
Percentage change = [(726 - 857) / 857] x 100
Subtract the new number by the original number
726 - 857 = -131
-131 ÷ 857 = -0.1528588098016336
-0.1528588098016336 x 100 = -15.29%