-63.65% is the change from 707 to 257
Calculation steps:
[( 257 - 707 ) ÷ 707] x 100 = -63.65%
Formula
Percentage change = [(257 - 707) / 707] x 100
Subtract the new number by the original number
257 - 707 = -450
-450 ÷ 707 = -0.6364922206506365
-0.6364922206506365 x 100 = -63.65%