51% is the change from 649 to 980
Calculation steps:
[( 980 - 649 ) ÷ 649] x 100 = 51%
Formula
Percentage change = [(980 - 649) / 649] x 100
Subtract the new number by the original number
980 - 649 = 331
331 ÷ 649 = 0.5100154083204931
0.5100154083204931 x 100 = 51%