78.31% is the change from 378 to 674
Calculation steps:
[( 674 - 378 ) ÷ 378] x 100 = 78.31%
Formula
Percentage change = [(674 - 378) / 378] x 100
Subtract the new number by the original number
674 - 378 = 296
296 ÷ 378 = 0.783068783068783
0.783068783068783 x 100 = 78.31%