-32.48% is the change from 745 to 503
Calculation steps:
[( 503 - 745 ) ÷ 745] x 100 = -32.48%
Formula
Percentage change = [(503 - 745) / 745] x 100
Subtract the new number by the original number
503 - 745 = -242
-242 ÷ 745 = -0.32483221476510066
-0.32483221476510066 x 100 = -32.48%