-97.14% is the change from 733 to 21
Calculation steps:
[( 21 - 733 ) ÷ 733] x 100 = -97.14%
Formula
Percentage change = [(21 - 733) / 733] x 100
Subtract the new number by the original number
21 - 733 = -712
-712 ÷ 733 = -0.9713506139154161
-0.9713506139154161 x 100 = -97.14%