51.85% is the change from 216 to 328
Calculation steps:
[( 328 - 216 ) ÷ 216] x 100 = 51.85%
Formula
Percentage change = [(328 - 216) / 216] x 100
Subtract the new number by the original number
328 - 216 = 112
112 ÷ 216 = 0.5185185185185185
0.5185185185185185 x 100 = 51.85%