-5.12% is the change from 684 to 649
Calculation steps:
[( 649 - 684 ) ÷ 684] x 100 = -5.12%
Formula
Percentage change = [(649 - 684) / 684] x 100
Subtract the new number by the original number
649 - 684 = -35
-35 ÷ 684 = -0.05116959064327485
-0.05116959064327485 x 100 = -5.12%