-75.92% is the change from 710 to 171
Calculation steps:
[( 171 - 710 ) ÷ 710] x 100 = -75.92%
Formula
Percentage change = [(171 - 710) / 710] x 100
Subtract the new number by the original number
171 - 710 = -539
-539 ÷ 710 = -0.7591549295774648
-0.7591549295774648 x 100 = -75.92%