-94.45% is the change from 721 to 40
Calculation steps:
[( 40 - 721 ) ÷ 721] x 100 = -94.45%
Formula
Percentage change = [(40 - 721) / 721] x 100
Subtract the new number by the original number
40 - 721 = -681
-681 ÷ 721 = -0.9445214979195562
-0.9445214979195562 x 100 = -94.45%