133.03% is the change from 221 to 515
Calculation steps:
[( 515 - 221 ) ÷ 221] x 100 = 133.03%
Formula
Percentage change = [(515 - 221) / 221] x 100
Subtract the new number by the original number
515 - 221 = 294
294 ÷ 221 = 1.330316742081448
1.330316742081448 x 100 = 133.03%