-42.69% is the change from 513 to 294
Calculation steps:
[( 294 - 513 ) ÷ 513] x 100 = -42.69%
Formula
Percentage change = [(294 - 513) / 513] x 100
Subtract the new number by the original number
294 - 513 = -219
-219 ÷ 513 = -0.4269005847953216
-0.4269005847953216 x 100 = -42.69%