-52.24% is the change from 557 to 266
Calculation steps:
[( 266 - 557 ) ÷ 557] x 100 = -52.24%
Formula
Percentage change = [(266 - 557) / 557] x 100
Subtract the new number by the original number
266 - 557 = -291
-291 ÷ 557 = -0.5224416517055656
-0.5224416517055656 x 100 = -52.24%