-52.7% is the change from 852 to 403
Calculation steps:
[( 403 - 852 ) ÷ 852] x 100 = -52.7%
Formula
Percentage change = [(403 - 852) / 852] x 100
Subtract the new number by the original number
403 - 852 = -449
-449 ÷ 852 = -0.5269953051643192
-0.5269953051643192 x 100 = -52.7%