-12.68% is the change from 481 to 420
Calculation steps:
[( 420 - 481 ) ÷ 481] x 100 = -12.68%
Formula
Percentage change = [(420 - 481) / 481] x 100
Subtract the new number by the original number
420 - 481 = -61
-61 ÷ 481 = -0.12681912681912683
-0.12681912681912683 x 100 = -12.68%