-78.88% is the change from 677 to 143
Calculation steps:
[( 143 - 677 ) ÷ 677] x 100 = -78.88%
Formula
Percentage change = [(143 - 677) / 677] x 100
Subtract the new number by the original number
143 - 677 = -534
-534 ÷ 677 = -0.7887740029542097
-0.7887740029542097 x 100 = -78.88%