-70.27% is the change from 222 to 66
Calculation steps:
[( 66 - 222 ) ÷ 222] x 100 = -70.27%
Formula
Percentage change = [(66 - 222) / 222] x 100
Subtract the new number by the original number
66 - 222 = -156
-156 ÷ 222 = -0.7027027027027027
-0.7027027027027027 x 100 = -70.27%