-8.74% is the change from 938 to 856
Calculation steps:
[( 856 - 938 ) ÷ 938] x 100 = -8.74%
Formula
Percentage change = [(856 - 938) / 938] x 100
Subtract the new number by the original number
856 - 938 = -82
-82 ÷ 938 = -0.08742004264392324
-0.08742004264392324 x 100 = -8.74%