-83.89% is the change from 565 to 91
Calculation steps:
[( 91 - 565 ) ÷ 565] x 100 = -83.89%
Formula
Percentage change = [(91 - 565) / 565] x 100
Subtract the new number by the original number
91 - 565 = -474
-474 ÷ 565 = -0.8389380530973451
-0.8389380530973451 x 100 = -83.89%