-12.81% is the change from 851 to 742
Calculation steps:
[( 742 - 851 ) ÷ 851] x 100 = -12.81%
Formula
Percentage change = [(742 - 851) / 851] x 100
Subtract the new number by the original number
742 - 851 = -109
-109 ÷ 851 = -0.12808460634547592
-0.12808460634547592 x 100 = -12.81%