-49.48% is the change from 964 to 487
Calculation steps:
[( 487 - 964 ) ÷ 964] x 100 = -49.48%
Formula
Percentage change = [(487 - 964) / 964] x 100
Subtract the new number by the original number
487 - 964 = -477
-477 ÷ 964 = -0.4948132780082988
-0.4948132780082988 x 100 = -49.48%