88.34% is the change from 223 to 420
Calculation steps:
[( 420 - 223 ) ÷ 223] x 100 = 88.34%
Formula
Percentage change = [(420 - 223) / 223] x 100
Subtract the new number by the original number
420 - 223 = 197
197 ÷ 223 = 0.8834080717488789
0.8834080717488789 x 100 = 88.34%