-57.96% is the change from 597 to 251
Calculation steps:
[( 251 - 597 ) ÷ 597] x 100 = -57.96%
Formula
Percentage change = [(251 - 597) / 597] x 100
Subtract the new number by the original number
251 - 597 = -346
-346 ÷ 597 = -0.5795644891122278
-0.5795644891122278 x 100 = -57.96%