-95.15% is the change from 268 to 13
Calculation steps:
[( 13 - 268 ) ÷ 268] x 100 = -95.15%
Formula
Percentage change = [(13 - 268) / 268] x 100
Subtract the new number by the original number
13 - 268 = -255
-255 ÷ 268 = -0.9514925373134329
-0.9514925373134329 x 100 = -95.15%