-95.03% is the change from 684 to 34
Calculation steps:
[( 34 - 684 ) ÷ 684] x 100 = -95.03%
Formula
Percentage change = [(34 - 684) / 684] x 100
Subtract the new number by the original number
34 - 684 = -650
-650 ÷ 684 = -0.9502923976608187
-0.9502923976608187 x 100 = -95.03%