1066.2% is the change from 71 to 828
Calculation steps:
[( 828 - 71 ) ÷ 71] x 100 = 1066.2%
Formula
Percentage change = [(828 - 71) / 71] x 100
Subtract the new number by the original number
828 - 71 = 757
757 ÷ 71 = 10.661971830985916
10.661971830985916 x 100 = 1066.2%