87.95% is the change from 224 to 421
Calculation steps:
[( 421 - 224 ) ÷ 224] x 100 = 87.95%
Formula
Percentage change = [(421 - 224) / 224] x 100
Subtract the new number by the original number
421 - 224 = 197
197 ÷ 224 = 0.8794642857142857
0.8794642857142857 x 100 = 87.95%