60.63% is the change from 221 to 355
Calculation steps:
[( 355 - 221 ) ÷ 221] x 100 = 60.63%
Formula
Percentage change = [(355 - 221) / 221] x 100
Subtract the new number by the original number
355 - 221 = 134
134 ÷ 221 = 0.6063348416289592
0.6063348416289592 x 100 = 60.63%