-80.98% is the change from 531 to 101
Calculation steps:
[( 101 - 531 ) ÷ 531] x 100 = -80.98%
Formula
Percentage change = [(101 - 531) / 531] x 100
Subtract the new number by the original number
101 - 531 = -430
-430 ÷ 531 = -0.8097928436911488
-0.8097928436911488 x 100 = -80.98%