88.39% is the change from 267 to 503
Calculation steps:
[( 503 - 267 ) ÷ 267] x 100 = 88.39%
Formula
Percentage change = [(503 - 267) / 267] x 100
Subtract the new number by the original number
503 - 267 = 236
236 ÷ 267 = 0.8838951310861424
0.8838951310861424 x 100 = 88.39%