-97.32% is the change from 747 to 20
Calculation steps:
[( 20 - 747 ) ÷ 747] x 100 = -97.32%
Formula
Percentage change = [(20 - 747) / 747] x 100
Subtract the new number by the original number
20 - 747 = -727
-727 ÷ 747 = -0.9732262382864793
-0.9732262382864793 x 100 = -97.32%