-76.95% is the change from 742 to 171
Calculation steps:
[( 171 - 742 ) ÷ 742] x 100 = -76.95%
Formula
Percentage change = [(171 - 742) / 742] x 100
Subtract the new number by the original number
171 - 742 = -571
-571 ÷ 742 = -0.7695417789757413
-0.7695417789757413 x 100 = -76.95%