-97.25% is the change from 691 to 19
Calculation steps:
[( 19 - 691 ) ÷ 691] x 100 = -97.25%
Formula
Percentage change = [(19 - 691) / 691] x 100
Subtract the new number by the original number
19 - 691 = -672
-672 ÷ 691 = -0.9725036179450073
-0.9725036179450073 x 100 = -97.25%