-91.91% is the change from 915 to 74
Calculation steps:
[( 74 - 915 ) ÷ 915] x 100 = -91.91%
Formula
Percentage change = [(74 - 915) / 915] x 100
Subtract the new number by the original number
74 - 915 = -841
-841 ÷ 915 = -0.9191256830601093
-0.9191256830601093 x 100 = -91.91%