810.2% is the change from 49 to 446
Calculation steps:
[( 446 - 49 ) ÷ 49] x 100 = 810.2%
Formula
Percentage change = [(446 - 49) / 49] x 100
Subtract the new number by the original number
446 - 49 = 397
397 ÷ 49 = 8.10204081632653
8.10204081632653 x 100 = 810.2%