77.7% is the change from 269 to 478
Calculation steps:
[( 478 - 269 ) ÷ 269] x 100 = 77.7%
Formula
Percentage change = [(478 - 269) / 269] x 100
Subtract the new number by the original number
478 - 269 = 209
209 ÷ 269 = 0.7769516728624535
0.7769516728624535 x 100 = 77.7%