22.54% is the change from 284 to 348
Calculation steps:
[( 348 - 284 ) ÷ 284] x 100 = 22.54%
Formula
Percentage change = [(348 - 284) / 284] x 100
Subtract the new number by the original number
348 - 284 = 64
64 ÷ 284 = 0.22535211267605634
0.22535211267605634 x 100 = 22.54%