-9.66% is the change from 466 to 421
Calculation steps:
[( 421 - 466 ) ÷ 466] x 100 = -9.66%
Formula
Percentage change = [(421 - 466) / 466] x 100
Subtract the new number by the original number
421 - 466 = -45
-45 ÷ 466 = -0.09656652360515021
-0.09656652360515021 x 100 = -9.66%