97.3% is the change from 222 to 438
Calculation steps:
[( 438 - 222 ) ÷ 222] x 100 = 97.3%
Formula
Percentage change = [(438 - 222) / 222] x 100
Subtract the new number by the original number
438 - 222 = 216
216 ÷ 222 = 0.972972972972973
0.972972972972973 x 100 = 97.3%