-51.69% is the change from 445 to 215
Calculation steps:
[( 215 - 445 ) ÷ 445] x 100 = -51.69%
Formula
Percentage change = [(215 - 445) / 445] x 100
Subtract the new number by the original number
215 - 445 = -230
-230 ÷ 445 = -0.5168539325842697
-0.5168539325842697 x 100 = -51.69%