80.07% is the change from 281 to 506
Calculation steps:
[( 506 - 281 ) ÷ 281] x 100 = 80.07%
Formula
Percentage change = [(506 - 281) / 281] x 100
Subtract the new number by the original number
506 - 281 = 225
225 ÷ 281 = 0.800711743772242
0.800711743772242 x 100 = 80.07%