-50.52% is the change from 968 to 479
Calculation steps:
[( 479 - 968 ) ÷ 968] x 100 = -50.52%
Formula
Percentage change = [(479 - 968) / 968] x 100
Subtract the new number by the original number
479 - 968 = -489
-489 ÷ 968 = -0.5051652892561983
-0.5051652892561983 x 100 = -50.52%