765.98% is the change from 97 to 840
Calculation steps:
[( 840 - 97 ) ÷ 97] x 100 = 765.98%
Formula
Percentage change = [(840 - 97) / 97] x 100
Subtract the new number by the original number
840 - 97 = 743
743 ÷ 97 = 7.65979381443299
7.65979381443299 x 100 = 765.98%