50% is the change from 564 to 846
Calculation steps:
[( 846 - 564 ) ÷ 564] x 100 = 50%
Formula
Percentage change = [(846 - 564) / 564] x 100
Subtract the new number by the original number
846 - 564 = 282
282 ÷ 564 = 0.5
0.5 x 100 = 50%
Example