-32.21% is the change from 745 to 505
Calculation steps:
[( 505 - 745 ) ÷ 745] x 100 = -32.21%
Formula
Percentage change = [(505 - 745) / 745] x 100
Subtract the new number by the original number
505 - 745 = -240
-240 ÷ 745 = -0.3221476510067114
-0.3221476510067114 x 100 = -32.21%