-9.9% is the change from 202 to 182
Calculation steps:
[( 182 - 202 ) ÷ 202] x 100 = -9.9%
Formula
Percentage change = [(182 - 202) / 202] x 100
Subtract the new number by the original number
182 - 202 = -20
-20 ÷ 202 = -0.09900990099009901
-0.09900990099009901 x 100 = -9.9%