-29.35% is the change from 712 to 503
Calculation steps:
[( 503 - 712 ) ÷ 712] x 100 = -29.35%
Formula
Percentage change = [(503 - 712) / 712] x 100
Subtract the new number by the original number
503 - 712 = -209
-209 ÷ 712 = -0.29353932584269665
-0.29353932584269665 x 100 = -29.35%