102.78% is the change from 216 to 438
Calculation steps:
[( 438 - 216 ) ÷ 216] x 100 = 102.78%
Formula
Percentage change = [(438 - 216) / 216] x 100
Subtract the new number by the original number
438 - 216 = 222
222 ÷ 216 = 1.0277777777777777
1.0277777777777777 x 100 = 102.78%