-48.23% is the change from 537 to 278
Calculation steps:
[( 278 - 537 ) ÷ 537] x 100 = -48.23%
Formula
Percentage change = [(278 - 537) / 537] x 100
Subtract the new number by the original number
278 - 537 = -259
-259 ÷ 537 = -0.4823091247672253
-0.4823091247672253 x 100 = -48.23%