-64.39% is the change from 966 to 344
Calculation steps:
[( 344 - 966 ) ÷ 966] x 100 = -64.39%
Formula
Percentage change = [(344 - 966) / 966] x 100
Subtract the new number by the original number
344 - 966 = -622
-622 ÷ 966 = -0.6438923395445134
-0.6438923395445134 x 100 = -64.39%