-54.76% is the change from 515 to 233
Calculation steps:
[( 233 - 515 ) ÷ 515] x 100 = -54.76%
Formula
Percentage change = [(233 - 515) / 515] x 100
Subtract the new number by the original number
233 - 515 = -282
-282 ÷ 515 = -0.5475728155339806
-0.5475728155339806 x 100 = -54.76%