-47.99% is the change from 398 to 207
Calculation steps:
[( 207 - 398 ) ÷ 398] x 100 = -47.99%
Formula
Percentage change = [(207 - 398) / 398] x 100
Subtract the new number by the original number
207 - 398 = -191
-191 ÷ 398 = -0.4798994974874372
-0.4798994974874372 x 100 = -47.99%