3.2% is the change from 375 to 387
Calculation steps:
[( 387 - 375 ) ÷ 375] x 100 = 3.2%
Formula
Percentage change = [(387 - 375) / 375] x 100
Subtract the new number by the original number
387 - 375 = 12
12 ÷ 375 = 0.032
0.032 x 100 = 3.2%
Example