-68.66% is the change from 801 to 251
Calculation steps:
[( 251 - 801 ) ÷ 801] x 100 = -68.66%
Formula
Percentage change = [(251 - 801) / 801] x 100
Subtract the new number by the original number
251 - 801 = -550
-550 ÷ 801 = -0.686641697877653
-0.686641697877653 x 100 = -68.66%