-71.2% is the change from 691 to 199
Calculation steps:
[( 199 - 691 ) ÷ 691] x 100 = -71.2%
Formula
Percentage change = [(199 - 691) / 691] x 100
Subtract the new number by the original number
199 - 691 = -492
-492 ÷ 691 = -0.7120115774240231
-0.7120115774240231 x 100 = -71.2%