-46.83% is the change from 961 to 511
Calculation steps:
[( 511 - 961 ) ÷ 961] x 100 = -46.83%
Formula
Percentage change = [(511 - 961) / 961] x 100
Subtract the new number by the original number
511 - 961 = -450
-450 ÷ 961 = -0.46826222684703434
-0.46826222684703434 x 100 = -46.83%