50.94% is the change from 267 to 403
Calculation steps:
[( 403 - 267 ) ÷ 267] x 100 = 50.94%
Formula
Percentage change = [(403 - 267) / 267] x 100
Subtract the new number by the original number
403 - 267 = 136
136 ÷ 267 = 0.5093632958801498
0.5093632958801498 x 100 = 50.94%