30.99% is the change from 284 to 372
Calculation steps:
[( 372 - 284 ) ÷ 284] x 100 = 30.99%
Formula
Percentage change = [(372 - 284) / 284] x 100
Subtract the new number by the original number
372 - 284 = 88
88 ÷ 284 = 0.30985915492957744
0.30985915492957744 x 100 = 30.99%