-49.2% is the change from 689 to 350
Calculation steps:
[( 350 - 689 ) ÷ 689] x 100 = -49.2%
Formula
Percentage change = [(350 - 689) / 689] x 100
Subtract the new number by the original number
350 - 689 = -339
-339 ÷ 689 = -0.49201741654571846
-0.49201741654571846 x 100 = -49.2%