-22.72% is the change from 999 to 772
Calculation steps:
[( 772 - 999 ) ÷ 999] x 100 = -22.72%
Formula
Percentage change = [(772 - 999) / 999] x 100
Subtract the new number by the original number
772 - 999 = -227
-227 ÷ 999 = -0.22722722722722724
-0.22722722722722724 x 100 = -22.72%