91.15% is the change from 260 to 497
Calculation steps:
[( 497 - 260 ) ÷ 260] x 100 = 91.15%
Formula
Percentage change = [(497 - 260) / 260] x 100
Subtract the new number by the original number
497 - 260 = 237
237 ÷ 260 = 0.9115384615384615
0.9115384615384615 x 100 = 91.15%