-76.38% is the change from 326 to 77
Calculation steps:
[( 77 - 326 ) ÷ 326] x 100 = -76.38%
Formula
Percentage change = [(77 - 326) / 326] x 100
Subtract the new number by the original number
77 - 326 = -249
-249 ÷ 326 = -0.7638036809815951
-0.7638036809815951 x 100 = -76.38%