-99.76% is the change from 837 to 2
Calculation steps:
[( 2 - 837 ) ÷ 837] x 100 = -99.76%
Formula
Percentage change = [(2 - 837) / 837] x 100
Subtract the new number by the original number
2 - 837 = -835
-835 ÷ 837 = -0.997610513739546
-0.997610513739546 x 100 = -99.76%