1222.45% is the change from 49 to 648
Calculation steps:
[( 648 - 49 ) ÷ 49] x 100 = 1222.45%
Formula
Percentage change = [(648 - 49) / 49] x 100
Subtract the new number by the original number
648 - 49 = 599
599 ÷ 49 = 12.224489795918368
12.224489795918368 x 100 = 1222.45%