-7.63% is the change from 917 to 847
Calculation steps:
[( 847 - 917 ) ÷ 917] x 100 = -7.63%
Formula
Percentage change = [(847 - 917) / 917] x 100
Subtract the new number by the original number
847 - 917 = -70
-70 ÷ 917 = -0.07633587786259542
-0.07633587786259542 x 100 = -7.63%