76.53% is the change from 277 to 489
Calculation steps:
[( 489 - 277 ) ÷ 277] x 100 = 76.53%
Formula
Percentage change = [(489 - 277) / 277] x 100
Subtract the new number by the original number
489 - 277 = 212
212 ÷ 277 = 0.7653429602888087
0.7653429602888087 x 100 = 76.53%