-83.99% is the change from 681 to 109
Calculation steps:
[( 109 - 681 ) ÷ 681] x 100 = -83.99%
Formula
Percentage change = [(109 - 681) / 681] x 100
Subtract the new number by the original number
109 - 681 = -572
-572 ÷ 681 = -0.8399412628487518
-0.8399412628487518 x 100 = -83.99%