-85.69% is the change from 503 to 72
Calculation steps:
[( 72 - 503 ) ÷ 503] x 100 = -85.69%
Formula
Percentage change = [(72 - 503) / 503] x 100
Subtract the new number by the original number
72 - 503 = -431
-431 ÷ 503 = -0.856858846918489
-0.856858846918489 x 100 = -85.69%