-70.6% is the change from 728 to 214
Calculation steps:
[( 214 - 728 ) ÷ 728] x 100 = -70.6%
Formula
Percentage change = [(214 - 728) / 728] x 100
Subtract the new number by the original number
214 - 728 = -514
-514 ÷ 728 = -0.7060439560439561
-0.7060439560439561 x 100 = -70.6%