-13.22% is the change from 484 to 420
Calculation steps:
[( 420 - 484 ) ÷ 484] x 100 = -13.22%
Formula
Percentage change = [(420 - 484) / 484] x 100
Subtract the new number by the original number
420 - 484 = -64
-64 ÷ 484 = -0.1322314049586777
-0.1322314049586777 x 100 = -13.22%