952.56% is the change from 78 to 821
Calculation steps:
[( 821 - 78 ) ÷ 78] x 100 = 952.56%
Formula
Percentage change = [(821 - 78) / 78] x 100
Subtract the new number by the original number
821 - 78 = 743
743 ÷ 78 = 9.525641025641026
9.525641025641026 x 100 = 952.56%