-42.55% is the change from 966 to 555
Calculation steps:
[( 555 - 966 ) ÷ 966] x 100 = -42.55%
Formula
Percentage change = [(555 - 966) / 966] x 100
Subtract the new number by the original number
555 - 966 = -411
-411 ÷ 966 = -0.4254658385093168
-0.4254658385093168 x 100 = -42.55%