-97.93% is the change from 918 to 19
Calculation steps:
[( 19 - 918 ) ÷ 918] x 100 = -97.93%
Formula
Percentage change = [(19 - 918) / 918] x 100
Subtract the new number by the original number
19 - 918 = -899
-899 ÷ 918 = -0.9793028322440087
-0.9793028322440087 x 100 = -97.93%