-69.61% is the change from 566 to 172
Calculation steps:
[( 172 - 566 ) ÷ 566] x 100 = -69.61%
Formula
Percentage change = [(172 - 566) / 566] x 100
Subtract the new number by the original number
172 - 566 = -394
-394 ÷ 566 = -0.696113074204947
-0.696113074204947 x 100 = -69.61%