-98.57% is the change from 771 to 11
Calculation steps:
[( 11 - 771 ) ÷ 771] x 100 = -98.57%
Formula
Percentage change = [(11 - 771) / 771] x 100
Subtract the new number by the original number
11 - 771 = -760
-760 ÷ 771 = -0.9857328145265889
-0.9857328145265889 x 100 = -98.57%