-50.64% is the change from 545 to 269
Calculation steps:
[( 269 - 545 ) ÷ 545] x 100 = -50.64%
Formula
Percentage change = [(269 - 545) / 545] x 100
Subtract the new number by the original number
269 - 545 = -276
-276 ÷ 545 = -0.5064220183486239
-0.5064220183486239 x 100 = -50.64%