-66.18% is the change from 825 to 279
Calculation steps:
[( 279 - 825 ) ÷ 825] x 100 = -66.18%
Formula
Percentage change = [(279 - 825) / 825] x 100
Subtract the new number by the original number
279 - 825 = -546
-546 ÷ 825 = -0.6618181818181819
-0.6618181818181819 x 100 = -66.18%