-75.44% is the change from 684 to 168
Calculation steps:
[( 168 - 684 ) ÷ 684] x 100 = -75.44%
Formula
Percentage change = [(168 - 684) / 684] x 100
Subtract the new number by the original number
168 - 684 = -516
-516 ÷ 684 = -0.7543859649122807
-0.7543859649122807 x 100 = -75.44%