93.21% is the change from 221 to 427
Calculation steps:
[( 427 - 221 ) ÷ 221] x 100 = 93.21%
Formula
Percentage change = [(427 - 221) / 221] x 100
Subtract the new number by the original number
427 - 221 = 206
206 ÷ 221 = 0.9321266968325792
0.9321266968325792 x 100 = 93.21%