-74.77% is the change from 852 to 215
Calculation steps:
[( 215 - 852 ) ÷ 852] x 100 = -74.77%
Formula
Percentage change = [(215 - 852) / 852] x 100
Subtract the new number by the original number
215 - 852 = -637
-637 ÷ 852 = -0.7476525821596244
-0.7476525821596244 x 100 = -74.77%