-83.14% is the change from 516 to 87
Calculation steps:
[( 87 - 516 ) ÷ 516] x 100 = -83.14%
Formula
Percentage change = [(87 - 516) / 516] x 100
Subtract the new number by the original number
87 - 516 = -429
-429 ÷ 516 = -0.8313953488372093
-0.8313953488372093 x 100 = -83.14%