-48.8% is the change from 959 to 491
Calculation steps:
[( 491 - 959 ) ÷ 959] x 100 = -48.8%
Formula
Percentage change = [(491 - 959) / 959] x 100
Subtract the new number by the original number
491 - 959 = -468
-468 ÷ 959 = -0.4880083420229406
-0.4880083420229406 x 100 = -48.8%