-51.69% is the change from 532 to 257
Calculation steps:
[( 257 - 532 ) ÷ 532] x 100 = -51.69%
Formula
Percentage change = [(257 - 532) / 532] x 100
Subtract the new number by the original number
257 - 532 = -275
-275 ÷ 532 = -0.5169172932330827
-0.5169172932330827 x 100 = -51.69%