-32.1% is the change from 754 to 512
Calculation steps:
[( 512 - 754 ) ÷ 754] x 100 = -32.1%
Formula
Percentage change = [(512 - 754) / 754] x 100
Subtract the new number by the original number
512 - 754 = -242
-242 ÷ 754 = -0.3209549071618037
-0.3209549071618037 x 100 = -32.1%