67.29% is the change from 269 to 450
Calculation steps:
[( 450 - 269 ) ÷ 269] x 100 = 67.29%
Formula
Percentage change = [(450 - 269) / 269] x 100
Subtract the new number by the original number
450 - 269 = 181
181 ÷ 269 = 0.6728624535315985
0.6728624535315985 x 100 = 67.29%