1300% is the change from 27 to 378
Calculation steps:
[( 378 - 27 ) ÷ 27] x 100 = 1300%
Formula
Percentage change = [(378 - 27) / 27] x 100
Subtract the new number by the original number
378 - 27 = 351
351 ÷ 27 = 13
13 x 100 = 1300%
Example