-19.92% is the change from 261 to 209
Calculation steps:
[( 209 - 261 ) ÷ 261] x 100 = -19.92%
Formula
Percentage change = [(209 - 261) / 261] x 100
Subtract the new number by the original number
209 - 261 = -52
-52 ÷ 261 = -0.19923371647509577
-0.19923371647509577 x 100 = -19.92%