-23.88% is the change from 846 to 644
Calculation steps:
[( 644 - 846 ) ÷ 846] x 100 = -23.88%
Formula
Percentage change = [(644 - 846) / 846] x 100
Subtract the new number by the original number
644 - 846 = -202
-202 ÷ 846 = -0.23877068557919623
-0.23877068557919623 x 100 = -23.88%