-30.9% is the change from 741 to 512
Calculation steps:
[( 512 - 741 ) ÷ 741] x 100 = -30.9%
Formula
Percentage change = [(512 - 741) / 741] x 100
Subtract the new number by the original number
512 - 741 = -229
-229 ÷ 741 = -0.3090418353576248
-0.3090418353576248 x 100 = -30.9%