1464.71% is the change from 17 to 266
Calculation steps:
[( 266 - 17 ) ÷ 17] x 100 = 1464.71%
Formula
Percentage change = [(266 - 17) / 17] x 100
Subtract the new number by the original number
266 - 17 = 249
249 ÷ 17 = 14.647058823529411
14.647058823529411 x 100 = 1464.71%