-86.48% is the change from 503 to 68
Calculation steps:
[( 68 - 503 ) ÷ 503] x 100 = -86.48%
Formula
Percentage change = [(68 - 503) / 503] x 100
Subtract the new number by the original number
68 - 503 = -435
-435 ÷ 503 = -0.8648111332007953
-0.8648111332007953 x 100 = -86.48%