-81.86% is the change from 397 to 72
Calculation steps:
[( 72 - 397 ) ÷ 397] x 100 = -81.86%
Formula
Percentage change = [(72 - 397) / 397] x 100
Subtract the new number by the original number
72 - 397 = -325
-325 ÷ 397 = -0.818639798488665
-0.818639798488665 x 100 = -81.86%