-30.2% is the change from 745 to 520
Calculation steps:
[( 520 - 745 ) ÷ 745] x 100 = -30.2%
Formula
Percentage change = [(520 - 745) / 745] x 100
Subtract the new number by the original number
520 - 745 = -225
-225 ÷ 745 = -0.30201342281879195
-0.30201342281879195 x 100 = -30.2%