48.94% is the change from 564 to 840
Calculation steps:
[( 840 - 564 ) ÷ 564] x 100 = 48.94%
Formula
Percentage change = [(840 - 564) / 564] x 100
Subtract the new number by the original number
840 - 564 = 276
276 ÷ 564 = 0.48936170212765956
0.48936170212765956 x 100 = 48.94%