-68.08% is the change from 260 to 83
Calculation steps:
[( 83 - 260 ) ÷ 260] x 100 = -68.08%
Formula
Percentage change = [(83 - 260) / 260] x 100
Subtract the new number by the original number
83 - 260 = -177
-177 ÷ 260 = -0.6807692307692308
-0.6807692307692308 x 100 = -68.08%