98.15% is the change from 216 to 428
Calculation steps:
[( 428 - 216 ) ÷ 216] x 100 = 98.15%
Formula
Percentage change = [(428 - 216) / 216] x 100
Subtract the new number by the original number
428 - 216 = 212
212 ÷ 216 = 0.9814814814814815
0.9814814814814815 x 100 = 98.15%