-96.27% is the change from 563 to 21
Calculation steps:
[( 21 - 563 ) ÷ 563] x 100 = -96.27%
Formula
Percentage change = [(21 - 563) / 563] x 100
Subtract the new number by the original number
21 - 563 = -542
-542 ÷ 563 = -0.9626998223801065
-0.9626998223801065 x 100 = -96.27%