-30.66% is the change from 747 to 518
Calculation steps:
[( 518 - 747 ) ÷ 747] x 100 = -30.66%
Formula
Percentage change = [(518 - 747) / 747] x 100
Subtract the new number by the original number
518 - 747 = -229
-229 ÷ 747 = -0.30655957161981257
-0.30655957161981257 x 100 = -30.66%