36.62% is the change from 284 to 388
Calculation steps:
[( 388 - 284 ) ÷ 284] x 100 = 36.62%
Formula
Percentage change = [(388 - 284) / 284] x 100
Subtract the new number by the original number
388 - 284 = 104
104 ÷ 284 = 0.36619718309859156
0.36619718309859156 x 100 = 36.62%