58.16% is the change from 392 to 620
Calculation steps:
[( 620 - 392 ) ÷ 392] x 100 = 58.16%
Formula
Percentage change = [(620 - 392) / 392] x 100
Subtract the new number by the original number
620 - 392 = 228
228 ÷ 392 = 0.5816326530612245
0.5816326530612245 x 100 = 58.16%