276.47% is the change from 17 to 64
Calculation steps:
[( 64 - 17 ) ÷ 17] x 100 = 276.47%
Formula
Percentage change = [(64 - 17) / 17] x 100
Subtract the new number by the original number
64 - 17 = 47
47 ÷ 17 = 2.764705882352941
2.764705882352941 x 100 = 276.47%