-18.4% is the change from 750 to 612
Calculation steps:
[( 612 - 750 ) ÷ 750] x 100 = -18.4%
Formula
Percentage change = [(612 - 750) / 750] x 100
Subtract the new number by the original number
612 - 750 = -138
-138 ÷ 750 = -0.184
-0.184 x 100 = -18.4%