84.34% is the change from 281 to 518
Calculation steps:
[( 518 - 281 ) ÷ 281] x 100 = 84.34%
Formula
Percentage change = [(518 - 281) / 281] x 100
Subtract the new number by the original number
518 - 281 = 237
237 ÷ 281 = 0.8434163701067615
0.8434163701067615 x 100 = 84.34%