120.64% is the change from 281 to 620
Calculation steps:
[( 620 - 281 ) ÷ 281] x 100 = 120.64%
Formula
Percentage change = [(620 - 281) / 281] x 100
Subtract the new number by the original number
620 - 281 = 339
339 ÷ 281 = 1.206405693950178
1.206405693950178 x 100 = 120.64%