800% is the change from 49 to 441
Calculation steps:
[( 441 - 49 ) ÷ 49] x 100 = 800%
Formula
Percentage change = [(441 - 49) / 49] x 100
Subtract the new number by the original number
441 - 49 = 392
392 ÷ 49 = 8
8 x 100 = 800%
Example