-78.29% is the change from 677 to 147
Calculation steps:
[( 147 - 677 ) ÷ 677] x 100 = -78.29%
Formula
Percentage change = [(147 - 677) / 677] x 100
Subtract the new number by the original number
147 - 677 = -530
-530 ÷ 677 = -0.7828655834564254
-0.7828655834564254 x 100 = -78.29%