-43.17% is the change from 966 to 549
Calculation steps:
[( 549 - 966 ) ÷ 966] x 100 = -43.17%
Formula
Percentage change = [(549 - 966) / 966] x 100
Subtract the new number by the original number
549 - 966 = -417
-417 ÷ 966 = -0.43167701863354035
-0.43167701863354035 x 100 = -43.17%