1240.82% is the change from 49 to 657
Calculation steps:
[( 657 - 49 ) ÷ 49] x 100 = 1240.82%
Formula
Percentage change = [(657 - 49) / 49] x 100
Subtract the new number by the original number
657 - 49 = 608
608 ÷ 49 = 12.408163265306122
12.408163265306122 x 100 = 1240.82%