-28.8% is the change from 750 to 534
Calculation steps:
[( 534 - 750 ) ÷ 750] x 100 = -28.8%
Formula
Percentage change = [(534 - 750) / 750] x 100
Subtract the new number by the original number
534 - 750 = -216
-216 ÷ 750 = -0.288
-0.288 x 100 = -28.8%