-54.63% is the change from 540 to 245
Calculation steps:
[( 245 - 540 ) ÷ 540] x 100 = -54.63%
Formula
Percentage change = [(245 - 540) / 540] x 100
Subtract the new number by the original number
245 - 540 = -295
-295 ÷ 540 = -0.5462962962962963
-0.5462962962962963 x 100 = -54.63%