31.07% is the change from 280 to 367
Calculation steps:
[( 367 - 280 ) ÷ 280] x 100 = 31.07%
Formula
Percentage change = [(367 - 280) / 280] x 100
Subtract the new number by the original number
367 - 280 = 87
87 ÷ 280 = 0.3107142857142857
0.3107142857142857 x 100 = 31.07%