2.89% is the change from 277 to 285
Calculation steps:
[( 285 - 277 ) ÷ 277] x 100 = 2.89%
Formula
Percentage change = [(285 - 277) / 277] x 100
Subtract the new number by the original number
285 - 277 = 8
8 ÷ 277 = 0.02888086642599278
0.02888086642599278 x 100 = 2.89%