-70.4% is the change from 598 to 177
Calculation steps:
[( 177 - 598 ) ÷ 598] x 100 = -70.4%
Formula
Percentage change = [(177 - 598) / 598] x 100
Subtract the new number by the original number
177 - 598 = -421
-421 ÷ 598 = -0.7040133779264214
-0.7040133779264214 x 100 = -70.4%