669.39% is the change from 49 to 377
Calculation steps:
[( 377 - 49 ) ÷ 49] x 100 = 669.39%
Formula
Percentage change = [(377 - 49) / 49] x 100
Subtract the new number by the original number
377 - 49 = 328
328 ÷ 49 = 6.6938775510204085
6.6938775510204085 x 100 = 669.39%