-99.78% is the change from 920 to 2
Calculation steps:
[( 2 - 920 ) ÷ 920] x 100 = -99.78%
Formula
Percentage change = [(2 - 920) / 920] x 100
Subtract the new number by the original number
2 - 920 = -918
-918 ÷ 920 = -0.9978260869565218
-0.9978260869565218 x 100 = -99.78%