81.22% is the change from 378 to 685
Calculation steps:
[( 685 - 378 ) ÷ 378] x 100 = 81.22%
Formula
Percentage change = [(685 - 378) / 378] x 100
Subtract the new number by the original number
685 - 378 = 307
307 ÷ 378 = 0.8121693121693122
0.8121693121693122 x 100 = 81.22%