-69.73% is the change from 565 to 171
Calculation steps:
[( 171 - 565 ) ÷ 565] x 100 = -69.73%
Formula
Percentage change = [(171 - 565) / 565] x 100
Subtract the new number by the original number
171 - 565 = -394
-394 ÷ 565 = -0.6973451327433628
-0.6973451327433628 x 100 = -69.73%