143.32% is the change from 397 to 966
Calculation steps:
[( 966 - 397 ) ÷ 397] x 100 = 143.32%
Formula
Percentage change = [(966 - 397) / 397] x 100
Subtract the new number by the original number
966 - 397 = 569
569 ÷ 397 = 1.433249370277078
1.433249370277078 x 100 = 143.32%