334.84% is the change from 221 to 961
Calculation steps:
[( 961 - 221 ) ÷ 221] x 100 = 334.84%
Formula
Percentage change = [(961 - 221) / 221] x 100
Subtract the new number by the original number
961 - 221 = 740
740 ÷ 221 = 3.3484162895927603
3.3484162895927603 x 100 = 334.84%