-27.63% is the change from 304 to 220
Calculation steps:
[( 220 - 304 ) ÷ 304] x 100 = -27.63%
Formula
Percentage change = [(220 - 304) / 304] x 100
Subtract the new number by the original number
220 - 304 = -84
-84 ÷ 304 = -0.27631578947368424
-0.27631578947368424 x 100 = -27.63%