315.38% is the change from 91 to 378
Calculation steps:
[( 378 - 91 ) ÷ 91] x 100 = 315.38%
Formula
Percentage change = [(378 - 91) / 91] x 100
Subtract the new number by the original number
378 - 91 = 287
287 ÷ 91 = 3.1538461538461537
3.1538461538461537 x 100 = 315.38%