-78.93% is the change from 503 to 106
Calculation steps:
[( 106 - 503 ) ÷ 503] x 100 = -78.93%
Formula
Percentage change = [(106 - 503) / 503] x 100
Subtract the new number by the original number
106 - 503 = -397
-397 ÷ 503 = -0.7892644135188867
-0.7892644135188867 x 100 = -78.93%