-30.81% is the change from 740 to 512
Calculation steps:
[( 512 - 740 ) ÷ 740] x 100 = -30.81%
Formula
Percentage change = [(512 - 740) / 740] x 100
Subtract the new number by the original number
512 - 740 = -228
-228 ÷ 740 = -0.3081081081081081
-0.3081081081081081 x 100 = -30.81%