1164.71% is the change from 17 to 215
Calculation steps:
[( 215 - 17 ) ÷ 17] x 100 = 1164.71%
Formula
Percentage change = [(215 - 17) / 17] x 100
Subtract the new number by the original number
215 - 17 = 198
198 ÷ 17 = 11.647058823529411
11.647058823529411 x 100 = 1164.71%