246.15% is the change from 221 to 765
Calculation steps:
[( 765 - 221 ) ÷ 221] x 100 = 246.15%
Formula
Percentage change = [(765 - 221) / 221] x 100
Subtract the new number by the original number
765 - 221 = 544
544 ÷ 221 = 2.4615384615384617
2.4615384615384617 x 100 = 246.15%