-91.5% is the change from 871 to 74
Calculation steps:
[( 74 - 871 ) ÷ 871] x 100 = -91.5%
Formula
Percentage change = [(74 - 871) / 871] x 100
Subtract the new number by the original number
74 - 871 = -797
-797 ÷ 871 = -0.9150401836969001
-0.9150401836969001 x 100 = -91.5%