-76.28% is the change from 312 to 74
Calculation steps:
[( 74 - 312 ) ÷ 312] x 100 = -76.28%
Formula
Percentage change = [(74 - 312) / 312] x 100
Subtract the new number by the original number
74 - 312 = -238
-238 ÷ 312 = -0.7628205128205128
-0.7628205128205128 x 100 = -76.28%