-91.33% is the change from 519 to 45
Calculation steps:
[( 45 - 519 ) ÷ 519] x 100 = -91.33%
Formula
Percentage change = [(45 - 519) / 519] x 100
Subtract the new number by the original number
45 - 519 = -474
-474 ÷ 519 = -0.9132947976878613
-0.9132947976878613 x 100 = -91.33%