-50.25% is the change from 396 to 197
Calculation steps:
[( 197 - 396 ) ÷ 396] x 100 = -50.25%
Formula
Percentage change = [(197 - 396) / 396] x 100
Subtract the new number by the original number
197 - 396 = -199
-199 ÷ 396 = -0.5025252525252525
-0.5025252525252525 x 100 = -50.25%