80.14% is the change from 277 to 499
Calculation steps:
[( 499 - 277 ) ÷ 277] x 100 = 80.14%
Formula
Percentage change = [(499 - 277) / 277] x 100
Subtract the new number by the original number
499 - 277 = 222
222 ÷ 277 = 0.8014440433212996
0.8014440433212996 x 100 = 80.14%