-47.86% is the change from 397 to 207
Calculation steps:
[( 207 - 397 ) ÷ 397] x 100 = -47.86%
Formula
Percentage change = [(207 - 397) / 397] x 100
Subtract the new number by the original number
207 - 397 = -190
-190 ÷ 397 = -0.47858942065491183
-0.47858942065491183 x 100 = -47.86%