-20.26% is the change from 691 to 551
Calculation steps:
[( 551 - 691 ) ÷ 691] x 100 = -20.26%
Formula
Percentage change = [(551 - 691) / 691] x 100
Subtract the new number by the original number
551 - 691 = -140
-140 ÷ 691 = -0.20260492040520983
-0.20260492040520983 x 100 = -20.26%