-79.66% is the change from 531 to 108
Calculation steps:
[( 108 - 531 ) ÷ 531] x 100 = -79.66%
Formula
Percentage change = [(108 - 531) / 531] x 100
Subtract the new number by the original number
108 - 531 = -423
-423 ÷ 531 = -0.7966101694915254
-0.7966101694915254 x 100 = -79.66%