-49.59% is the change from 966 to 487
Calculation steps:
[( 487 - 966 ) ÷ 966] x 100 = -49.59%
Formula
Percentage change = [(487 - 966) / 966] x 100
Subtract the new number by the original number
487 - 966 = -479
-479 ÷ 966 = -0.49585921325051757
-0.49585921325051757 x 100 = -49.59%