-23.93% is the change from 397 to 302
Calculation steps:
[( 302 - 397 ) ÷ 397] x 100 = -23.93%
Formula
Percentage change = [(302 - 397) / 397] x 100
Subtract the new number by the original number
302 - 397 = -95
-95 ÷ 397 = -0.23929471032745592
-0.23929471032745592 x 100 = -23.93%