-95.11% is the change from 266 to 13
Calculation steps:
[( 13 - 266 ) ÷ 266] x 100 = -95.11%
Formula
Percentage change = [(13 - 266) / 266] x 100
Subtract the new number by the original number
13 - 266 = -253
-253 ÷ 266 = -0.9511278195488722
-0.9511278195488722 x 100 = -95.11%