76.72% is the change from 378 to 668
Calculation steps:
[( 668 - 378 ) ÷ 378] x 100 = 76.72%
Formula
Percentage change = [(668 - 378) / 378] x 100
Subtract the new number by the original number
668 - 378 = 290
290 ÷ 378 = 0.7671957671957672
0.7671957671957672 x 100 = 76.72%