44.59% is the change from 222 to 321
Calculation steps:
[( 321 - 222 ) ÷ 222] x 100 = 44.59%
Formula
Percentage change = [(321 - 222) / 222] x 100
Subtract the new number by the original number
321 - 222 = 99
99 ÷ 222 = 0.44594594594594594
0.44594594594594594 x 100 = 44.59%