-72.84% is the change from 313 to 85
Calculation steps:
[( 85 - 313 ) ÷ 313] x 100 = -72.84%
Formula
Percentage change = [(85 - 313) / 313] x 100
Subtract the new number by the original number
85 - 313 = -228
-228 ÷ 313 = -0.7284345047923323
-0.7284345047923323 x 100 = -72.84%