108.6% is the change from 221 to 461
Calculation steps:
[( 461 - 221 ) ÷ 221] x 100 = 108.6%
Formula
Percentage change = [(461 - 221) / 221] x 100
Subtract the new number by the original number
461 - 221 = 240
240 ÷ 221 = 1.085972850678733
1.085972850678733 x 100 = 108.6%