-55.36% is the change from 513 to 229
Calculation steps:
[( 229 - 513 ) ÷ 513] x 100 = -55.36%
Formula
Percentage change = [(229 - 513) / 513] x 100
Subtract the new number by the original number
229 - 513 = -284
-284 ÷ 513 = -0.5536062378167641
-0.5536062378167641 x 100 = -55.36%