-76.51% is the change from 315 to 74
Calculation steps:
[( 74 - 315 ) ÷ 315] x 100 = -76.51%
Formula
Percentage change = [(74 - 315) / 315] x 100
Subtract the new number by the original number
74 - 315 = -241
-241 ÷ 315 = -0.765079365079365
-0.765079365079365 x 100 = -76.51%