-84.82% is the change from 672 to 102
Calculation steps:
[( 102 - 672 ) ÷ 672] x 100 = -84.82%
Formula
Percentage change = [(102 - 672) / 672] x 100
Subtract the new number by the original number
102 - 672 = -570
-570 ÷ 672 = -0.8482142857142857
-0.8482142857142857 x 100 = -84.82%