-6.09% is the change from 312 to 293
Calculation steps:
[( 293 - 312 ) ÷ 312] x 100 = -6.09%
Formula
Percentage change = [(293 - 312) / 312] x 100
Subtract the new number by the original number
293 - 312 = -19
-19 ÷ 312 = -0.060897435897435896
-0.060897435897435896 x 100 = -6.09%