971.79% is the change from 78 to 836
Calculation steps:
[( 836 - 78 ) ÷ 78] x 100 = 971.79%
Formula
Percentage change = [(836 - 78) / 78] x 100
Subtract the new number by the original number
836 - 78 = 758
758 ÷ 78 = 9.717948717948717
9.717948717948717 x 100 = 971.79%