-67.92% is the change from 318 to 102
Calculation steps:
[( 102 - 318 ) ÷ 318] x 100 = -67.92%
Formula
Percentage change = [(102 - 318) / 318] x 100
Subtract the new number by the original number
102 - 318 = -216
-216 ÷ 318 = -0.6792452830188679
-0.6792452830188679 x 100 = -67.92%