-48.72% is the change from 934 to 479
Calculation steps:
[( 479 - 934 ) ÷ 934] x 100 = -48.72%
Formula
Percentage change = [(479 - 934) / 934] x 100
Subtract the new number by the original number
479 - 934 = -455
-455 ÷ 934 = -0.487152034261242
-0.487152034261242 x 100 = -48.72%