-31.46% is the change from 747 to 512
Calculation steps:
[( 512 - 747 ) ÷ 747] x 100 = -31.46%
Formula
Percentage change = [(512 - 747) / 747] x 100
Subtract the new number by the original number
512 - 747 = -235
-235 ÷ 747 = -0.31459170013386883
-0.31459170013386883 x 100 = -31.46%