-38.83% is the change from 564 to 345
Calculation steps:
[( 345 - 564 ) ÷ 564] x 100 = -38.83%
Formula
Percentage change = [(345 - 564) / 564] x 100
Subtract the new number by the original number
345 - 564 = -219
-219 ÷ 564 = -0.3882978723404255
-0.3882978723404255 x 100 = -38.83%