-72.89% is the change from 284 to 77
Calculation steps:
[( 77 - 284 ) ÷ 284] x 100 = -72.89%
Formula
Percentage change = [(77 - 284) / 284] x 100
Subtract the new number by the original number
77 - 284 = -207
-207 ÷ 284 = -0.7288732394366197
-0.7288732394366197 x 100 = -72.89%