-49.12% is the change from 684 to 348
Calculation steps:
[( 348 - 684 ) ÷ 684] x 100 = -49.12%
Formula
Percentage change = [(348 - 684) / 684] x 100
Subtract the new number by the original number
348 - 684 = -336
-336 ÷ 684 = -0.49122807017543857
-0.49122807017543857 x 100 = -49.12%