-95.21% is the change from 397 to 19
Calculation steps:
[( 19 - 397 ) ÷ 397] x 100 = -95.21%
Formula
Percentage change = [(19 - 397) / 397] x 100
Subtract the new number by the original number
19 - 397 = -378
-378 ÷ 397 = -0.9521410579345088
-0.9521410579345088 x 100 = -95.21%