-59.4% is the change from 766 to 311
Calculation steps:
[( 311 - 766 ) ÷ 766] x 100 = -59.4%
Formula
Percentage change = [(311 - 766) / 766] x 100
Subtract the new number by the original number
311 - 766 = -455
-455 ÷ 766 = -0.5939947780678851
-0.5939947780678851 x 100 = -59.4%