118.31% is the change from 284 to 620
Calculation steps:
[( 620 - 284 ) ÷ 284] x 100 = 118.31%
Formula
Percentage change = [(620 - 284) / 284] x 100
Subtract the new number by the original number
620 - 284 = 336
336 ÷ 284 = 1.1830985915492958
1.1830985915492958 x 100 = 118.31%