-33.43% is the change from 332 to 221
Calculation steps:
[( 221 - 332 ) ÷ 332] x 100 = -33.43%
Formula
Percentage change = [(221 - 332) / 332] x 100
Subtract the new number by the original number
221 - 332 = -111
-111 ÷ 332 = -0.33433734939759036
-0.33433734939759036 x 100 = -33.43%