-55.41% is the change from 222 to 99
Calculation steps:
[( 99 - 222 ) ÷ 222] x 100 = -55.41%
Formula
Percentage change = [(99 - 222) / 222] x 100
Subtract the new number by the original number
99 - 222 = -123
-123 ÷ 222 = -0.5540540540540541
-0.5540540540540541 x 100 = -55.41%