-45.91% is the change from 538 to 291
Calculation steps:
[( 291 - 538 ) ÷ 538] x 100 = -45.91%
Formula
Percentage change = [(291 - 538) / 538] x 100
Subtract the new number by the original number
291 - 538 = -247
-247 ÷ 538 = -0.4591078066914498
-0.4591078066914498 x 100 = -45.91%