-85.16% is the change from 310 to 46
Calculation steps:
[( 46 - 310 ) ÷ 310] x 100 = -85.16%
Formula
Percentage change = [(46 - 310) / 310] x 100
Subtract the new number by the original number
46 - 310 = -264
-264 ÷ 310 = -0.8516129032258064
-0.8516129032258064 x 100 = -85.16%