-54.99% is the change from 691 to 311
Calculation steps:
[( 311 - 691 ) ÷ 691] x 100 = -54.99%
Formula
Percentage change = [(311 - 691) / 691] x 100
Subtract the new number by the original number
311 - 691 = -380
-380 ÷ 691 = -0.5499276410998553
-0.5499276410998553 x 100 = -54.99%