-38.87% is the change from 566 to 346
Calculation steps:
[( 346 - 566 ) ÷ 566] x 100 = -38.87%
Formula
Percentage change = [(346 - 566) / 566] x 100
Subtract the new number by the original number
346 - 566 = -220
-220 ÷ 566 = -0.38869257950530034
-0.38869257950530034 x 100 = -38.87%