-57.43% is the change from 538 to 229
Calculation steps:
[( 229 - 538 ) ÷ 538] x 100 = -57.43%
Formula
Percentage change = [(229 - 538) / 538] x 100
Subtract the new number by the original number
229 - 538 = -309
-309 ÷ 538 = -0.5743494423791822
-0.5743494423791822 x 100 = -57.43%