-69.11% is the change from 531 to 164
Calculation steps:
[( 164 - 531 ) ÷ 531] x 100 = -69.11%
Formula
Percentage change = [(164 - 531) / 531] x 100
Subtract the new number by the original number
164 - 531 = -367
-367 ÷ 531 = -0.6911487758945386
-0.6911487758945386 x 100 = -69.11%