-91.42% is the change from 501 to 43
Calculation steps:
[( 43 - 501 ) ÷ 501] x 100 = -91.42%
Formula
Percentage change = [(43 - 501) / 501] x 100
Subtract the new number by the original number
43 - 501 = -458
-458 ÷ 501 = -0.9141716566866267
-0.9141716566866267 x 100 = -91.42%