23.1% is the change from 277 to 341
Calculation steps:
[( 341 - 277 ) ÷ 277] x 100 = 23.1%
Formula
Percentage change = [(341 - 277) / 277] x 100
Subtract the new number by the original number
341 - 277 = 64
64 ÷ 277 = 0.23104693140794225
0.23104693140794225 x 100 = 23.1%