-95.2% is the change from 271 to 13
Calculation steps:
[( 13 - 271 ) ÷ 271] x 100 = -95.2%
Formula
Percentage change = [(13 - 271) / 271] x 100
Subtract the new number by the original number
13 - 271 = -258
-258 ÷ 271 = -0.9520295202952029
-0.9520295202952029 x 100 = -95.2%