50.56% is the change from 269 to 405
Calculation steps:
[( 405 - 269 ) ÷ 269] x 100 = 50.56%
Formula
Percentage change = [(405 - 269) / 269] x 100
Subtract the new number by the original number
405 - 269 = 136
136 ÷ 269 = 0.5055762081784386
0.5055762081784386 x 100 = 50.56%