-69.32% is the change from 818 to 251
Calculation steps:
[( 251 - 818 ) ÷ 818] x 100 = -69.32%
Formula
Percentage change = [(251 - 818) / 818] x 100
Subtract the new number by the original number
251 - 818 = -567
-567 ÷ 818 = -0.6931540342298288
-0.6931540342298288 x 100 = -69.32%