-1.18% is the change from 851 to 841
Calculation steps:
[( 841 - 851 ) ÷ 851] x 100 = -1.18%
Formula
Percentage change = [(841 - 851) / 851] x 100
Subtract the new number by the original number
841 - 851 = -10
-10 ÷ 851 = -0.011750881316098707
-0.011750881316098707 x 100 = -1.18%