333.03% is the change from 221 to 957
Calculation steps:
[( 957 - 221 ) ÷ 221] x 100 = 333.03%
Formula
Percentage change = [(957 - 221) / 221] x 100
Subtract the new number by the original number
957 - 221 = 736
736 ÷ 221 = 3.330316742081448
3.330316742081448 x 100 = 333.03%