-46.9% is the change from 902 to 479
Calculation steps:
[( 479 - 902 ) ÷ 902] x 100 = -46.9%
Formula
Percentage change = [(479 - 902) / 902] x 100
Subtract the new number by the original number
479 - 902 = -423
-423 ÷ 902 = -0.46895787139689576
-0.46895787139689576 x 100 = -46.9%