-44.33% is the change from 397 to 221
Calculation steps:
[( 221 - 397 ) ÷ 397] x 100 = -44.33%
Formula
Percentage change = [(221 - 397) / 397] x 100
Subtract the new number by the original number
221 - 397 = -176
-176 ÷ 397 = -0.4433249370277078
-0.4433249370277078 x 100 = -44.33%