-16.38% is the change from 818 to 684
Calculation steps:
[( 684 - 818 ) ÷ 818] x 100 = -16.38%
Formula
Percentage change = [(684 - 818) / 818] x 100
Subtract the new number by the original number
684 - 818 = -134
-134 ÷ 818 = -0.16381418092909536
-0.16381418092909536 x 100 = -16.38%