-15.02% is the change from 213 to 181
Calculation steps:
[( 181 - 213 ) ÷ 213] x 100 = -15.02%
Formula
Percentage change = [(181 - 213) / 213] x 100
Subtract the new number by the original number
181 - 213 = -32
-32 ÷ 213 = -0.15023474178403756
-0.15023474178403756 x 100 = -15.02%