-47% is the change from 417 to 221
Calculation steps:
[( 221 - 417 ) ÷ 417] x 100 = -47%
Formula
Percentage change = [(221 - 417) / 417] x 100
Subtract the new number by the original number
221 - 417 = -196
-196 ÷ 417 = -0.47002398081534774
-0.47002398081534774 x 100 = -47%