-91.03% is the change from 847 to 76
Calculation steps:
[( 76 - 847 ) ÷ 847] x 100 = -91.03%
Formula
Percentage change = [(76 - 847) / 847] x 100
Subtract the new number by the original number
76 - 847 = -771
-771 ÷ 847 = -0.910271546635183
-0.910271546635183 x 100 = -91.03%