-50.31% is the change from 964 to 479
Calculation steps:
[( 479 - 964 ) ÷ 964] x 100 = -50.31%
Formula
Percentage change = [(479 - 964) / 964] x 100
Subtract the new number by the original number
479 - 964 = -485
-485 ÷ 964 = -0.5031120331950207
-0.5031120331950207 x 100 = -50.31%