-16.79% is the change from 840 to 699
Calculation steps:
[( 699 - 840 ) ÷ 840] x 100 = -16.79%
Formula
Percentage change = [(699 - 840) / 840] x 100
Subtract the new number by the original number
699 - 840 = -141
-141 ÷ 840 = -0.16785714285714284
-0.16785714285714284 x 100 = -16.79%