99.08% is the change from 218 to 434
Calculation steps:
[( 434 - 218 ) ÷ 218] x 100 = 99.08%
Formula
Percentage change = [(434 - 218) / 218] x 100
Subtract the new number by the original number
434 - 218 = 216
216 ÷ 218 = 0.9908256880733946
0.9908256880733946 x 100 = 99.08%