-33.64% is the change from 758 to 503
Calculation steps:
[( 503 - 758 ) ÷ 758] x 100 = -33.64%
Formula
Percentage change = [(503 - 758) / 758] x 100
Subtract the new number by the original number
503 - 758 = -255
-255 ÷ 758 = -0.33641160949868076
-0.33641160949868076 x 100 = -33.64%