-13.42% is the change from 857 to 742
Calculation steps:
[( 742 - 857 ) ÷ 857] x 100 = -13.42%
Formula
Percentage change = [(742 - 857) / 857] x 100
Subtract the new number by the original number
742 - 857 = -115
-115 ÷ 857 = -0.13418903150525088
-0.13418903150525088 x 100 = -13.42%