-85.25% is the change from 366 to 54
Calculation steps:
[( 54 - 366 ) ÷ 366] x 100 = -85.25%
Formula
Percentage change = [(54 - 366) / 366] x 100
Subtract the new number by the original number
54 - 366 = -312
-312 ÷ 366 = -0.8524590163934426
-0.8524590163934426 x 100 = -85.25%