56.15% is the change from 260 to 406
Calculation steps:
[( 406 - 260 ) ÷ 260] x 100 = 56.15%
Formula
Percentage change = [(406 - 260) / 260] x 100
Subtract the new number by the original number
406 - 260 = 146
146 ÷ 260 = 0.5615384615384615
0.5615384615384615 x 100 = 56.15%