-99.57% is the change from 691 to 3
Calculation steps:
[( 3 - 691 ) ÷ 691] x 100 = -99.57%
Formula
Percentage change = [(3 - 691) / 691] x 100
Subtract the new number by the original number
3 - 691 = -688
-688 ÷ 691 = -0.9956584659913169
-0.9956584659913169 x 100 = -99.57%