-25.8% is the change from 566 to 420
Calculation steps:
[( 420 - 566 ) ÷ 566] x 100 = -25.8%
Formula
Percentage change = [(420 - 566) / 566] x 100
Subtract the new number by the original number
420 - 566 = -146
-146 ÷ 566 = -0.2579505300353357
-0.2579505300353357 x 100 = -25.8%