-45.96% is the change from 842 to 455
Calculation steps:
[( 455 - 842 ) ÷ 842] x 100 = -45.96%
Formula
Percentage change = [(455 - 842) / 842] x 100
Subtract the new number by the original number
455 - 842 = -387
-387 ÷ 842 = -0.45961995249406173
-0.45961995249406173 x 100 = -45.96%