397.37% is the change from 76 to 378
Calculation steps:
[( 378 - 76 ) ÷ 76] x 100 = 397.37%
Formula
Percentage change = [(378 - 76) / 76] x 100
Subtract the new number by the original number
378 - 76 = 302
302 ÷ 76 = 3.973684210526316
3.973684210526316 x 100 = 397.37%
Example