-82.32% is the change from 577 to 102
Calculation steps:
[( 102 - 577 ) ÷ 577] x 100 = -82.32%
Formula
Percentage change = [(102 - 577) / 577] x 100
Subtract the new number by the original number
102 - 577 = -475
-475 ÷ 577 = -0.8232235701906413
-0.8232235701906413 x 100 = -82.32%