-64.68% is the change from 218 to 77
Calculation steps:
[( 77 - 218 ) ÷ 218] x 100 = -64.68%
Formula
Percentage change = [(77 - 218) / 218] x 100
Subtract the new number by the original number
77 - 218 = -141
-141 ÷ 218 = -0.6467889908256881
-0.6467889908256881 x 100 = -64.68%