960.98% is the change from 82 to 870
Calculation steps:
[( 870 - 82 ) ÷ 82] x 100 = 960.98%
Formula
Percentage change = [(870 - 82) / 82] x 100
Subtract the new number by the original number
870 - 82 = 788
788 ÷ 82 = 9.609756097560975
9.609756097560975 x 100 = 960.98%