-84.62% is the change from 312 to 48
Calculation steps:
[( 48 - 312 ) ÷ 312] x 100 = -84.62%
Formula
Percentage change = [(48 - 312) / 312] x 100
Subtract the new number by the original number
48 - 312 = -264
-264 ÷ 312 = -0.8461538461538461
-0.8461538461538461 x 100 = -84.62%