-63.23% is the change from 699 to 257
Calculation steps:
[( 257 - 699 ) ÷ 699] x 100 = -63.23%
Formula
Percentage change = [(257 - 699) / 699] x 100
Subtract the new number by the original number
257 - 699 = -442
-442 ÷ 699 = -0.6323319027181689
-0.6323319027181689 x 100 = -63.23%