25% is the change from 284 to 355
Calculation steps:
[( 355 - 284 ) ÷ 284] x 100 = 25%
Formula
Percentage change = [(355 - 284) / 284] x 100
Subtract the new number by the original number
355 - 284 = 71
71 ÷ 284 = 0.25
0.25 x 100 = 25%
Example