-19.62% is the change from 260 to 209
Calculation steps:
[( 209 - 260 ) ÷ 260] x 100 = -19.62%
Formula
Percentage change = [(209 - 260) / 260] x 100
Subtract the new number by the original number
209 - 260 = -51
-51 ÷ 260 = -0.19615384615384615
-0.19615384615384615 x 100 = -19.62%