362.5% is the change from 216 to 999
Calculation steps:
[( 999 - 216 ) ÷ 216] x 100 = 362.5%
Formula
Percentage change = [(999 - 216) / 216] x 100
Subtract the new number by the original number
999 - 216 = 783
783 ÷ 216 = 3.625
3.625 x 100 = 362.5%
Example