-21.15% is the change from 260 to 205
Calculation steps:
[( 205 - 260 ) ÷ 260] x 100 = -21.15%
Formula
Percentage change = [(205 - 260) / 260] x 100
Subtract the new number by the original number
205 - 260 = -55
-55 ÷ 260 = -0.21153846153846154
-0.21153846153846154 x 100 = -21.15%