80.95% is the change from 378 to 684
Calculation steps:
[( 684 - 378 ) ÷ 378] x 100 = 80.95%
Formula
Percentage change = [(684 - 378) / 378] x 100
Subtract the new number by the original number
684 - 378 = 306
306 ÷ 378 = 0.8095238095238095
0.8095238095238095 x 100 = 80.95%