-64.61% is the change from 503 to 178
Calculation steps:
[( 178 - 503 ) ÷ 503] x 100 = -64.61%
Formula
Percentage change = [(178 - 503) / 503] x 100
Subtract the new number by the original number
178 - 503 = -325
-325 ÷ 503 = -0.6461232604373758
-0.6461232604373758 x 100 = -64.61%