-51.75% is the change from 458 to 221
Calculation steps:
[( 221 - 458 ) ÷ 458] x 100 = -51.75%
Formula
Percentage change = [(221 - 458) / 458] x 100
Subtract the new number by the original number
221 - 458 = -237
-237 ÷ 458 = -0.517467248908297
-0.517467248908297 x 100 = -51.75%