-88.5% is the change from 313 to 36
Calculation steps:
[( 36 - 313 ) ÷ 313] x 100 = -88.5%
Formula
Percentage change = [(36 - 313) / 313] x 100
Subtract the new number by the original number
36 - 313 = -277
-277 ÷ 313 = -0.8849840255591054
-0.8849840255591054 x 100 = -88.5%