79.1% is the change from 378 to 677
Calculation steps:
[( 677 - 378 ) ÷ 378] x 100 = 79.1%
Formula
Percentage change = [(677 - 378) / 378] x 100
Subtract the new number by the original number
677 - 378 = 299
299 ÷ 378 = 0.791005291005291
0.791005291005291 x 100 = 79.1%