-84.45% is the change from 656 to 102
Calculation steps:
[( 102 - 656 ) ÷ 656] x 100 = -84.45%
Formula
Percentage change = [(102 - 656) / 656] x 100
Subtract the new number by the original number
102 - 656 = -554
-554 ÷ 656 = -0.8445121951219512
-0.8445121951219512 x 100 = -84.45%