64.62% is the change from 260 to 428
Calculation steps:
[( 428 - 260 ) ÷ 260] x 100 = 64.62%
Formula
Percentage change = [(428 - 260) / 260] x 100
Subtract the new number by the original number
428 - 260 = 168
168 ÷ 260 = 0.6461538461538462
0.6461538461538462 x 100 = 64.62%