-75.58% is the change from 516 to 126
Calculation steps:
[( 126 - 516 ) ÷ 516] x 100 = -75.58%
Formula
Percentage change = [(126 - 516) / 516] x 100
Subtract the new number by the original number
126 - 516 = -390
-390 ÷ 516 = -0.7558139534883721
-0.7558139534883721 x 100 = -75.58%