-1.39% is the change from 862 to 850
Calculation steps:
[( 850 - 862 ) ÷ 862] x 100 = -1.39%
Formula
Percentage change = [(850 - 862) / 862] x 100
Subtract the new number by the original number
850 - 862 = -12
-12 ÷ 862 = -0.013921113689095127
-0.013921113689095127 x 100 = -1.39%