-6.33% is the change from 332 to 311
Calculation steps:
[( 311 - 332 ) ÷ 332] x 100 = -6.33%
Formula
Percentage change = [(311 - 332) / 332] x 100
Subtract the new number by the original number
311 - 332 = -21
-21 ÷ 332 = -0.06325301204819277
-0.06325301204819277 x 100 = -6.33%