-84.87% is the change from 674 to 102
Calculation steps:
[( 102 - 674 ) ÷ 674] x 100 = -84.87%
Formula
Percentage change = [(102 - 674) / 674] x 100
Subtract the new number by the original number
102 - 674 = -572
-572 ÷ 674 = -0.8486646884272997
-0.8486646884272997 x 100 = -84.87%