82.4% is the change from 375 to 684
Calculation steps:
[( 684 - 375 ) ÷ 375] x 100 = 82.4%
Formula
Percentage change = [(684 - 375) / 375] x 100
Subtract the new number by the original number
684 - 375 = 309
309 ÷ 375 = 0.824
0.824 x 100 = 82.4%
Example