51.39% is the change from 648 to 981
Calculation steps:
[( 981 - 648 ) ÷ 648] x 100 = 51.39%
Formula
Percentage change = [(981 - 648) / 648] x 100
Subtract the new number by the original number
981 - 648 = 333
333 ÷ 648 = 0.5138888888888888
0.5138888888888888 x 100 = 51.39%