-83.19% is the change from 684 to 115
Calculation steps:
[( 115 - 684 ) ÷ 684] x 100 = -83.19%
Formula
Percentage change = [(115 - 684) / 684] x 100
Subtract the new number by the original number
115 - 684 = -569
-569 ÷ 684 = -0.8318713450292398
-0.8318713450292398 x 100 = -83.19%