-84.52% is the change from 310 to 48
Calculation steps:
[( 48 - 310 ) ÷ 310] x 100 = -84.52%
Formula
Percentage change = [(48 - 310) / 310] x 100
Subtract the new number by the original number
48 - 310 = -262
-262 ÷ 310 = -0.8451612903225807
-0.8451612903225807 x 100 = -84.52%