-76.71% is the change from 730 to 170
Calculation steps:
[( 170 - 730 ) ÷ 730] x 100 = -76.71%
Formula
Percentage change = [(170 - 730) / 730] x 100
Subtract the new number by the original number
170 - 730 = -560
-560 ÷ 730 = -0.7671232876712328
-0.7671232876712328 x 100 = -76.71%