-64.25% is the change from 677 to 242
Calculation steps:
[( 242 - 677 ) ÷ 677] x 100 = -64.25%
Formula
Percentage change = [(242 - 677) / 677] x 100
Subtract the new number by the original number
242 - 677 = -435
-435 ÷ 677 = -0.6425406203840472
-0.6425406203840472 x 100 = -64.25%