126.24% is the change from 221 to 500
Calculation steps:
[( 500 - 221 ) ÷ 221] x 100 = 126.24%
Formula
Percentage change = [(500 - 221) / 221] x 100
Subtract the new number by the original number
500 - 221 = 279
279 ÷ 221 = 1.262443438914027
1.262443438914027 x 100 = 126.24%