-99.76% is the change from 849 to 2
Calculation steps:
[( 2 - 849 ) ÷ 849] x 100 = -99.76%
Formula
Percentage change = [(2 - 849) / 849] x 100
Subtract the new number by the original number
2 - 849 = -847
-847 ÷ 849 = -0.9976442873969376
-0.9976442873969376 x 100 = -99.76%