38.81% is the change from 286 to 397
Calculation steps:
[( 397 - 286 ) ÷ 286] x 100 = 38.81%
Formula
Percentage change = [(397 - 286) / 286] x 100
Subtract the new number by the original number
397 - 286 = 111
111 ÷ 286 = 0.3881118881118881
0.3881118881118881 x 100 = 38.81%