91.07% is the change from 224 to 428
Calculation steps:
[( 428 - 224 ) ÷ 224] x 100 = 91.07%
Formula
Percentage change = [(428 - 224) / 224] x 100
Subtract the new number by the original number
428 - 224 = 204
204 ÷ 224 = 0.9107142857142857
0.9107142857142857 x 100 = 91.07%