-52.47% is the change from 465 to 221
Calculation steps:
[( 221 - 465 ) ÷ 465] x 100 = -52.47%
Formula
Percentage change = [(221 - 465) / 465] x 100
Subtract the new number by the original number
221 - 465 = -244
-244 ÷ 465 = -0.524731182795699
-0.524731182795699 x 100 = -52.47%