1265.31% is the change from 49 to 669
Calculation steps:
[( 669 - 49 ) ÷ 49] x 100 = 1265.31%
Formula
Percentage change = [(669 - 49) / 49] x 100
Subtract the new number by the original number
669 - 49 = 620
620 ÷ 49 = 12.653061224489797
12.653061224489797 x 100 = 1265.31%