-9.8% is the change from 398 to 359
Calculation steps:
[( 359 - 398 ) ÷ 398] x 100 = -9.8%
Formula
Percentage change = [(359 - 398) / 398] x 100
Subtract the new number by the original number
359 - 398 = -39
-39 ÷ 398 = -0.09798994974874371
-0.09798994974874371 x 100 = -9.8%