-26.63% is the change from 691 to 507
Calculation steps:
[( 507 - 691 ) ÷ 691] x 100 = -26.63%
Formula
Percentage change = [(507 - 691) / 691] x 100
Subtract the new number by the original number
507 - 691 = -184
-184 ÷ 691 = -0.2662807525325615
-0.2662807525325615 x 100 = -26.63%