-55.26% is the change from 561 to 251
Calculation steps:
[( 251 - 561 ) ÷ 561] x 100 = -55.26%
Formula
Percentage change = [(251 - 561) / 561] x 100
Subtract the new number by the original number
251 - 561 = -310
-310 ÷ 561 = -0.5525846702317291
-0.5525846702317291 x 100 = -55.26%