-95.28% is the change from 445 to 21
Calculation steps:
[( 21 - 445 ) ÷ 445] x 100 = -95.28%
Formula
Percentage change = [(21 - 445) / 445] x 100
Subtract the new number by the original number
21 - 445 = -424
-424 ÷ 445 = -0.952808988764045
-0.952808988764045 x 100 = -95.28%