-52.05% is the change from 536 to 257
Calculation steps:
[( 257 - 536 ) ÷ 536] x 100 = -52.05%
Formula
Percentage change = [(257 - 536) / 536] x 100
Subtract the new number by the original number
257 - 536 = -279
-279 ÷ 536 = -0.5205223880597015
-0.5205223880597015 x 100 = -52.05%