447.83% is the change from 69 to 378
Calculation steps:
[( 378 - 69 ) ÷ 69] x 100 = 447.83%
Formula
Percentage change = [(378 - 69) / 69] x 100
Subtract the new number by the original number
378 - 69 = 309
309 ÷ 69 = 4.478260869565218
4.478260869565218 x 100 = 447.83%