-82.51% is the change from 366 to 64
Calculation steps:
[( 64 - 366 ) ÷ 366] x 100 = -82.51%
Formula
Percentage change = [(64 - 366) / 366] x 100
Subtract the new number by the original number
64 - 366 = -302
-302 ÷ 366 = -0.825136612021858
-0.825136612021858 x 100 = -82.51%