-11.98% is the change from 242 to 213
Calculation steps:
[( 213 - 242 ) ÷ 242] x 100 = -11.98%
Formula
Percentage change = [(213 - 242) / 242] x 100
Subtract the new number by the original number
213 - 242 = -29
-29 ÷ 242 = -0.11983471074380166
-0.11983471074380166 x 100 = -11.98%