-22.38% is the change from 210 to 163
Calculation steps:
[( 163 - 210 ) ÷ 210] x 100 = -22.38%
Formula
Percentage change = [(163 - 210) / 210] x 100
Subtract the new number by the original number
163 - 210 = -47
-47 ÷ 210 = -0.22380952380952382
-0.22380952380952382 x 100 = -22.38%