-84.57% is the change from 311 to 48
Calculation steps:
[( 48 - 311 ) ÷ 311] x 100 = -84.57%
Formula
Percentage change = [(48 - 311) / 311] x 100
Subtract the new number by the original number
48 - 311 = -263
-263 ÷ 311 = -0.8456591639871383
-0.8456591639871383 x 100 = -84.57%