-9.07% is the change from 463 to 421
Calculation steps:
[( 421 - 463 ) ÷ 463] x 100 = -9.07%
Formula
Percentage change = [(421 - 463) / 463] x 100
Subtract the new number by the original number
421 - 463 = -42
-42 ÷ 463 = -0.09071274298056156
-0.09071274298056156 x 100 = -9.07%