31.85% is the change from 383 to 505
Calculation steps:
[( 505 - 383 ) ÷ 383] x 100 = 31.85%
Formula
Percentage change = [(505 - 383) / 383] x 100
Subtract the new number by the original number
505 - 383 = 122
122 ÷ 383 = 0.3185378590078329
0.3185378590078329 x 100 = 31.85%