975.95% is the change from 79 to 850
Calculation steps:
[( 850 - 79 ) ÷ 79] x 100 = 975.95%
Formula
Percentage change = [(850 - 79) / 79] x 100
Subtract the new number by the original number
850 - 79 = 771
771 ÷ 79 = 9.759493670886076
9.759493670886076 x 100 = 975.95%