-68.8% is the change from 577 to 180
Calculation steps:
[( 180 - 577 ) ÷ 577] x 100 = -68.8%
Formula
Percentage change = [(180 - 577) / 577] x 100
Subtract the new number by the original number
180 - 577 = -397
-397 ÷ 577 = -0.6880415944540728
-0.6880415944540728 x 100 = -68.8%