-69.32% is the change from 691 to 212
Calculation steps:
[( 212 - 691 ) ÷ 691] x 100 = -69.32%
Formula
Percentage change = [(212 - 691) / 691] x 100
Subtract the new number by the original number
212 - 691 = -479
-479 ÷ 691 = -0.6931982633863966
-0.6931982633863966 x 100 = -69.32%