-9.7% is the change from 938 to 847
Calculation steps:
[( 847 - 938 ) ÷ 938] x 100 = -9.7%
Formula
Percentage change = [(847 - 938) / 938] x 100
Subtract the new number by the original number
847 - 938 = -91
-91 ÷ 938 = -0.09701492537313433
-0.09701492537313433 x 100 = -9.7%