-63.55% is the change from 705 to 257
Calculation steps:
[( 257 - 705 ) ÷ 705] x 100 = -63.55%
Formula
Percentage change = [(257 - 705) / 705] x 100
Subtract the new number by the original number
257 - 705 = -448
-448 ÷ 705 = -0.6354609929078014
-0.6354609929078014 x 100 = -63.55%