63.3% is the change from 564 to 921
Calculation steps:
[( 921 - 564 ) ÷ 564] x 100 = 63.3%
Formula
Percentage change = [(921 - 564) / 564] x 100
Subtract the new number by the original number
921 - 564 = 357
357 ÷ 564 = 0.6329787234042553
0.6329787234042553 x 100 = 63.3%