77.25% is the change from 378 to 670
Calculation steps:
[( 670 - 378 ) ÷ 378] x 100 = 77.25%
Formula
Percentage change = [(670 - 378) / 378] x 100
Subtract the new number by the original number
670 - 378 = 292
292 ÷ 378 = 0.7724867724867724
0.7724867724867724 x 100 = 77.25%