42.7% is the change from 274 to 391
Calculation steps:
[( 391 - 274 ) ÷ 274] x 100 = 42.7%
Formula
Percentage change = [(391 - 274) / 274] x 100
Subtract the new number by the original number
391 - 274 = 117
117 ÷ 274 = 0.42700729927007297
0.42700729927007297 x 100 = 42.7%