-64.99% is the change from 397 to 139
Calculation steps:
[( 139 - 397 ) ÷ 397] x 100 = -64.99%
Formula
Percentage change = [(139 - 397) / 397] x 100
Subtract the new number by the original number
139 - 397 = -258
-258 ÷ 397 = -0.6498740554156172
-0.6498740554156172 x 100 = -64.99%