987.5% is the change from 8 to 87
Calculation steps:
[( 87 - 8 ) ÷ 8] x 100 = 987.5%
Formula
Percentage change = [(87 - 8) / 8] x 100
Subtract the new number by the original number
87 - 8 = 79
79 ÷ 8 = 9.875
9.875 x 100 = 987.5%
Example