-84.26% is the change from 648 to 102
Calculation steps:
[( 102 - 648 ) ÷ 648] x 100 = -84.26%
Formula
Percentage change = [(102 - 648) / 648] x 100
Subtract the new number by the original number
102 - 648 = -546
-546 ÷ 648 = -0.8425925925925926
-0.8425925925925926 x 100 = -84.26%