92.31% is the change from 221 to 425
Calculation steps:
[( 425 - 221 ) ÷ 221] x 100 = 92.31%
Formula
Percentage change = [(425 - 221) / 221] x 100
Subtract the new number by the original number
425 - 221 = 204
204 ÷ 221 = 0.9230769230769231
0.9230769230769231 x 100 = 92.31%