-49.38% is the change from 966 to 489
Calculation steps:
[( 489 - 966 ) ÷ 966] x 100 = -49.38%
Formula
Percentage change = [(489 - 966) / 966] x 100
Subtract the new number by the original number
489 - 966 = -477
-477 ÷ 966 = -0.4937888198757764
-0.4937888198757764 x 100 = -49.38%