-58.9% is the change from 966 to 397
Calculation steps:
[( 397 - 966 ) ÷ 966] x 100 = -58.9%
Formula
Percentage change = [(397 - 966) / 966] x 100
Subtract the new number by the original number
397 - 966 = -569
-569 ÷ 966 = -0.5890269151138716
-0.5890269151138716 x 100 = -58.9%