-24.85% is the change from 503 to 378
Calculation steps:
[( 378 - 503 ) ÷ 503] x 100 = -24.85%
Formula
Percentage change = [(378 - 503) / 503] x 100
Subtract the new number by the original number
378 - 503 = -125
-125 ÷ 503 = -0.2485089463220676
-0.2485089463220676 x 100 = -24.85%