39.2% is the change from 199 to 277
Calculation steps:
[( 277 - 199 ) ÷ 199] x 100 = 39.2%
Formula
Percentage change = [(277 - 199) / 199] x 100
Subtract the new number by the original number
277 - 199 = 78
78 ÷ 199 = 0.39195979899497485
0.39195979899497485 x 100 = 39.2%