-3.93% is the change from 305 to 293
Calculation steps:
[( 293 - 305 ) ÷ 305] x 100 = -3.93%
Formula
Percentage change = [(293 - 305) / 305] x 100
Subtract the new number by the original number
293 - 305 = -12
-12 ÷ 305 = -0.03934426229508197
-0.03934426229508197 x 100 = -3.93%