-91.28% is the change from 516 to 45
Calculation steps:
[( 45 - 516 ) ÷ 516] x 100 = -91.28%
Formula
Percentage change = [(45 - 516) / 516] x 100
Subtract the new number by the original number
45 - 516 = -471
-471 ÷ 516 = -0.9127906976744186
-0.9127906976744186 x 100 = -91.28%