-50.47% is the change from 852 to 422
Calculation steps:
[( 422 - 852 ) ÷ 852] x 100 = -50.47%
Formula
Percentage change = [(422 - 852) / 852] x 100
Subtract the new number by the original number
422 - 852 = -430
-430 ÷ 852 = -0.5046948356807511
-0.5046948356807511 x 100 = -50.47%