-94.57% is the change from 516 to 28
Calculation steps:
[( 28 - 516 ) ÷ 516] x 100 = -94.57%
Formula
Percentage change = [(28 - 516) / 516] x 100
Subtract the new number by the original number
28 - 516 = -488
-488 ÷ 516 = -0.9457364341085271
-0.9457364341085271 x 100 = -94.57%