-47.57% is the change from 494 to 259
Calculation steps:
[( 259 - 494 ) ÷ 494] x 100 = -47.57%
Formula
Percentage change = [(259 - 494) / 494] x 100
Subtract the new number by the original number
259 - 494 = -235
-235 ÷ 494 = -0.4757085020242915
-0.4757085020242915 x 100 = -47.57%