12.8% is the change from 328 to 370
Calculation steps:
[( 370 - 328 ) ÷ 328] x 100 = 12.8%
Formula
Percentage change = [(370 - 328) / 328] x 100
Subtract the new number by the original number
370 - 328 = 42
42 ÷ 328 = 0.12804878048780488
0.12804878048780488 x 100 = 12.8%