2985.71% is the change from 7 to 216
Calculation steps:
[( 216 - 7 ) ÷ 7] x 100 = 2985.71%
Formula
Percentage change = [(216 - 7) / 7] x 100
Subtract the new number by the original number
216 - 7 = 209
209 ÷ 7 = 29.857142857142858
29.857142857142858 x 100 = 2985.71%