81.78% is the change from 269 to 489
Calculation steps:
[( 489 - 269 ) ÷ 269] x 100 = 81.78%
Formula
Percentage change = [(489 - 269) / 269] x 100
Subtract the new number by the original number
489 - 269 = 220
220 ÷ 269 = 0.8178438661710037
0.8178438661710037 x 100 = 81.78%