-49.32% is the change from 513 to 260
Calculation steps:
[( 260 - 513 ) ÷ 513] x 100 = -49.32%
Formula
Percentage change = [(260 - 513) / 513] x 100
Subtract the new number by the original number
260 - 513 = -253
-253 ÷ 513 = -0.49317738791423
-0.49317738791423 x 100 = -49.32%