-51.35% is the change from 446 to 217
Calculation steps:
[( 217 - 446 ) ÷ 446] x 100 = -51.35%
Formula
Percentage change = [(217 - 446) / 446] x 100
Subtract the new number by the original number
217 - 446 = -229
-229 ÷ 446 = -0.5134529147982063
-0.5134529147982063 x 100 = -51.35%