-76.02% is the change from 684 to 164
Calculation steps:
[( 164 - 684 ) ÷ 684] x 100 = -76.02%
Formula
Percentage change = [(164 - 684) / 684] x 100
Subtract the new number by the original number
164 - 684 = -520
-520 ÷ 684 = -0.7602339181286549
-0.7602339181286549 x 100 = -76.02%