-33.03% is the change from 221 to 148
Calculation steps:
[( 148 - 221 ) ÷ 221] x 100 = -33.03%
Formula
Percentage change = [(148 - 221) / 221] x 100
Subtract the new number by the original number
148 - 221 = -73
-73 ÷ 221 = -0.33031674208144796
-0.33031674208144796 x 100 = -33.03%