-0.38% is the change from 261 to 260
Calculation steps:
[( 260 - 261 ) ÷ 261] x 100 = -0.38%
Formula
Percentage change = [(260 - 261) / 261] x 100
Subtract the new number by the original number
260 - 261 = -1
-1 ÷ 261 = -0.0038314176245210726
-0.0038314176245210726 x 100 = -0.38%