-5.39% is the change from 445 to 421
Calculation steps:
[( 421 - 445 ) ÷ 445] x 100 = -5.39%
Formula
Percentage change = [(421 - 445) / 445] x 100
Subtract the new number by the original number
421 - 445 = -24
-24 ÷ 445 = -0.05393258426966292
-0.05393258426966292 x 100 = -5.39%