-57.77% is the change from 940 to 397
Calculation steps:
[( 397 - 940 ) ÷ 940] x 100 = -57.77%
Formula
Percentage change = [(397 - 940) / 940] x 100
Subtract the new number by the original number
397 - 940 = -543
-543 ÷ 940 = -0.5776595744680851
-0.5776595744680851 x 100 = -57.77%