-3.18% is the change from 691 to 669
Calculation steps:
[( 669 - 691 ) ÷ 691] x 100 = -3.18%
Formula
Percentage change = [(669 - 691) / 691] x 100
Subtract the new number by the original number
669 - 691 = -22
-22 ÷ 691 = -0.03183791606367583
-0.03183791606367583 x 100 = -3.18%