-25.35% is the change from 564 to 421
Calculation steps:
[( 421 - 564 ) ÷ 564] x 100 = -25.35%
Formula
Percentage change = [(421 - 564) / 564] x 100
Subtract the new number by the original number
421 - 564 = -143
-143 ÷ 564 = -0.25354609929078015
-0.25354609929078015 x 100 = -25.35%