1600% is the change from 1 to 17
Calculation steps:
[( 17 - 1 ) ÷ 1] x 100 = 1600%
Formula
Percentage change = [(17 - 1) / 1] x 100
Subtract the new number by the original number
17 - 1 = 16
16 ÷ 1 = 16
16 x 100 = 1600%
Example