-91.45% is the change from 503 to 43
Calculation steps:
[( 43 - 503 ) ÷ 503] x 100 = -91.45%
Formula
Percentage change = [(43 - 503) / 503] x 100
Subtract the new number by the original number
43 - 503 = -460
-460 ÷ 503 = -0.9145129224652088
-0.9145129224652088 x 100 = -91.45%