-97.3% is the change from 705 to 19
Calculation steps:
[( 19 - 705 ) ÷ 705] x 100 = -97.3%
Formula
Percentage change = [(19 - 705) / 705] x 100
Subtract the new number by the original number
19 - 705 = -686
-686 ÷ 705 = -0.9730496453900709
-0.9730496453900709 x 100 = -97.3%