55.77% is the change from 260 to 405
Calculation steps:
[( 405 - 260 ) ÷ 260] x 100 = 55.77%
Formula
Percentage change = [(405 - 260) / 260] x 100
Subtract the new number by the original number
405 - 260 = 145
145 ÷ 260 = 0.5576923076923077
0.5576923076923077 x 100 = 55.77%