-71.4% is the change from 598 to 171
Calculation steps:
[( 171 - 598 ) ÷ 598] x 100 = -71.4%
Formula
Percentage change = [(171 - 598) / 598] x 100
Subtract the new number by the original number
171 - 598 = -427
-427 ÷ 598 = -0.7140468227424749
-0.7140468227424749 x 100 = -71.4%