-8.42% is the change from 938 to 859
Calculation steps:
[( 859 - 938 ) ÷ 938] x 100 = -8.42%
Formula
Percentage change = [(859 - 938) / 938] x 100
Subtract the new number by the original number
859 - 938 = -79
-79 ÷ 938 = -0.08422174840085288
-0.08422174840085288 x 100 = -8.42%