-29.61% is the change from 304 to 214
Calculation steps:
[( 214 - 304 ) ÷ 304] x 100 = -29.61%
Formula
Percentage change = [(214 - 304) / 304] x 100
Subtract the new number by the original number
214 - 304 = -90
-90 ÷ 304 = -0.29605263157894735
-0.29605263157894735 x 100 = -29.61%