-20.48% is the change from 210 to 167
Calculation steps:
[( 167 - 210 ) ÷ 210] x 100 = -20.48%
Formula
Percentage change = [(167 - 210) / 210] x 100
Subtract the new number by the original number
167 - 210 = -43
-43 ÷ 210 = -0.20476190476190476
-0.20476190476190476 x 100 = -20.48%