96.54% is the change from 260 to 511
Calculation steps:
[( 511 - 260 ) ÷ 260] x 100 = 96.54%
Formula
Percentage change = [(511 - 260) / 260] x 100
Subtract the new number by the original number
511 - 260 = 251
251 ÷ 260 = 0.9653846153846154
0.9653846153846154 x 100 = 96.54%