-49.07% is the change from 964 to 491
Calculation steps:
[( 491 - 964 ) ÷ 964] x 100 = -49.07%
Formula
Percentage change = [(491 - 964) / 964] x 100
Subtract the new number by the original number
491 - 964 = -473
-473 ÷ 964 = -0.49066390041493774
-0.49066390041493774 x 100 = -49.07%