-76.99% is the change from 743 to 171
Calculation steps:
[( 171 - 743 ) ÷ 743] x 100 = -76.99%
Formula
Percentage change = [(171 - 743) / 743] x 100
Subtract the new number by the original number
171 - 743 = -572
-572 ÷ 743 = -0.7698519515477793
-0.7698519515477793 x 100 = -76.99%