1547.06% is the change from 17 to 280
Calculation steps:
[( 280 - 17 ) ÷ 17] x 100 = 1547.06%
Formula
Percentage change = [(280 - 17) / 17] x 100
Subtract the new number by the original number
280 - 17 = 263
263 ÷ 17 = 15.470588235294118
15.470588235294118 x 100 = 1547.06%