-45.7% is the change from 221 to 120
Calculation steps:
[( 120 - 221 ) ÷ 221] x 100 = -45.7%
Formula
Percentage change = [(120 - 221) / 221] x 100
Subtract the new number by the original number
120 - 221 = -101
-101 ÷ 221 = -0.45701357466063347
-0.45701357466063347 x 100 = -45.7%