857.75% is the change from 71 to 680
Calculation steps:
[( 680 - 71 ) ÷ 71] x 100 = 857.75%
Formula
Percentage change = [(680 - 71) / 71] x 100
Subtract the new number by the original number
680 - 71 = 609
609 ÷ 71 = 8.577464788732394
8.577464788732394 x 100 = 857.75%