-97.68% is the change from 691 to 16
Calculation steps:
[( 16 - 691 ) ÷ 691] x 100 = -97.68%
Formula
Percentage change = [(16 - 691) / 691] x 100
Subtract the new number by the original number
16 - 691 = -675
-675 ÷ 691 = -0.9768451519536903
-0.9768451519536903 x 100 = -97.68%