-62.97% is the change from 397 to 147
Calculation steps:
[( 147 - 397 ) ÷ 397] x 100 = -62.97%
Formula
Percentage change = [(147 - 397) / 397] x 100
Subtract the new number by the original number
147 - 397 = -250
-250 ÷ 397 = -0.6297229219143576
-0.6297229219143576 x 100 = -62.97%