-8.26% is the change from 242 to 222
Calculation steps:
[( 222 - 242 ) ÷ 242] x 100 = -8.26%
Formula
Percentage change = [(222 - 242) / 242] x 100
Subtract the new number by the original number
222 - 242 = -20
-20 ÷ 242 = -0.08264462809917356
-0.08264462809917356 x 100 = -8.26%