208.33% is the change from 216 to 666
Calculation steps:
[( 666 - 216 ) ÷ 216] x 100 = 208.33%
Formula
Percentage change = [(666 - 216) / 216] x 100
Subtract the new number by the original number
666 - 216 = 450
450 ÷ 216 = 2.0833333333333335
2.0833333333333335 x 100 = 208.33%