-2.47% is the change from 892 to 870
Calculation steps:
[( 870 - 892 ) ÷ 892] x 100 = -2.47%
Formula
Percentage change = [(870 - 892) / 892] x 100
Subtract the new number by the original number
870 - 892 = -22
-22 ÷ 892 = -0.02466367713004484
-0.02466367713004484 x 100 = -2.47%