-9.4% is the change from 564 to 511
Calculation steps:
[( 511 - 564 ) ÷ 564] x 100 = -9.4%
Formula
Percentage change = [(511 - 564) / 564] x 100
Subtract the new number by the original number
511 - 564 = -53
-53 ÷ 564 = -0.09397163120567376
-0.09397163120567376 x 100 = -9.4%