-85.31% is the change from 565 to 83
Calculation steps:
[( 83 - 565 ) ÷ 565] x 100 = -85.31%
Formula
Percentage change = [(83 - 565) / 565] x 100
Subtract the new number by the original number
83 - 565 = -482
-482 ÷ 565 = -0.8530973451327434
-0.8530973451327434 x 100 = -85.31%