-32.25% is the change from 831 to 563
Calculation steps:
[( 563 - 831 ) ÷ 831] x 100 = -32.25%
Formula
Percentage change = [(563 - 831) / 831] x 100
Subtract the new number by the original number
563 - 831 = -268
-268 ÷ 831 = -0.32250300842358604
-0.32250300842358604 x 100 = -32.25%