-47.8% is the change from 956 to 499
Calculation steps:
[( 499 - 956 ) ÷ 956] x 100 = -47.8%
Formula
Percentage change = [(499 - 956) / 956] x 100
Subtract the new number by the original number
499 - 956 = -457
-457 ÷ 956 = -0.4780334728033473
-0.4780334728033473 x 100 = -47.8%