-76.46% is the change from 684 to 161
Calculation steps:
[( 161 - 684 ) ÷ 684] x 100 = -76.46%
Formula
Percentage change = [(161 - 684) / 684] x 100
Subtract the new number by the original number
161 - 684 = -523
-523 ÷ 684 = -0.7646198830409356
-0.7646198830409356 x 100 = -76.46%