20.48% is the change from 332 to 400
Calculation steps:
[( 400 - 332 ) ÷ 332] x 100 = 20.48%
Formula
Percentage change = [(400 - 332) / 332] x 100
Subtract the new number by the original number
400 - 332 = 68
68 ÷ 332 = 0.20481927710843373
0.20481927710843373 x 100 = 20.48%