249.32% is the change from 221 to 772
Calculation steps:
[( 772 - 221 ) ÷ 221] x 100 = 249.32%
Formula
Percentage change = [(772 - 221) / 221] x 100
Subtract the new number by the original number
772 - 221 = 551
551 ÷ 221 = 2.493212669683258
2.493212669683258 x 100 = 249.32%