-86.29% is the change from 569 to 78
Calculation steps:
[( 78 - 569 ) ÷ 569] x 100 = -86.29%
Formula
Percentage change = [(78 - 569) / 569] x 100
Subtract the new number by the original number
78 - 569 = -491
-491 ÷ 569 = -0.8629173989455184
-0.8629173989455184 x 100 = -86.29%