285.09% is the change from 161 to 620
Calculation steps:
[( 620 - 161 ) ÷ 161] x 100 = 285.09%
Formula
Percentage change = [(620 - 161) / 161] x 100
Subtract the new number by the original number
620 - 161 = 459
459 ÷ 161 = 2.8509316770186337
2.8509316770186337 x 100 = 285.09%