-30.4% is the change from 750 to 522
Calculation steps:
[( 522 - 750 ) ÷ 750] x 100 = -30.4%
Formula
Percentage change = [(522 - 750) / 750] x 100
Subtract the new number by the original number
522 - 750 = -228
-228 ÷ 750 = -0.304
-0.304 x 100 = -30.4%