-56.3% is the change from 961 to 420
Calculation steps:
[( 420 - 961 ) ÷ 961] x 100 = -56.3%
Formula
Percentage change = [(420 - 961) / 961] x 100
Subtract the new number by the original number
420 - 961 = -541
-541 ÷ 961 = -0.562955254942768
-0.562955254942768 x 100 = -56.3%