-91.12% is the change from 563 to 50
Calculation steps:
[( 50 - 563 ) ÷ 563] x 100 = -91.12%
Formula
Percentage change = [(50 - 563) / 563] x 100
Subtract the new number by the original number
50 - 563 = -513
-513 ÷ 563 = -0.911190053285968
-0.911190053285968 x 100 = -91.12%