120.63% is the change from 378 to 834
Calculation steps:
[( 834 - 378 ) ÷ 378] x 100 = 120.63%
Formula
Percentage change = [(834 - 378) / 378] x 100
Subtract the new number by the original number
834 - 378 = 456
456 ÷ 378 = 1.2063492063492063
1.2063492063492063 x 100 = 120.63%