250% is the change from 108 to 378
Calculation steps:
[( 378 - 108 ) ÷ 108] x 100 = 250%
Formula
Percentage change = [(378 - 108) / 108] x 100
Subtract the new number by the original number
378 - 108 = 270
270 ÷ 108 = 2.5
2.5 x 100 = 250%
Example