-71.83% is the change from 607 to 171
Calculation steps:
[( 171 - 607 ) ÷ 607] x 100 = -71.83%
Formula
Percentage change = [(171 - 607) / 607] x 100
Subtract the new number by the original number
171 - 607 = -436
-436 ÷ 607 = -0.7182866556836903
-0.7182866556836903 x 100 = -71.83%