-45.98% is the change from 820 to 443
Calculation steps:
[( 443 - 820 ) ÷ 820] x 100 = -45.98%
Formula
Percentage change = [(443 - 820) / 820] x 100
Subtract the new number by the original number
443 - 820 = -377
-377 ÷ 820 = -0.45975609756097563
-0.45975609756097563 x 100 = -45.98%