56.87% is the change from 517 to 811
Calculation steps:
[( 811 - 517 ) ÷ 517] x 100 = 56.87%
Formula
Percentage change = [(811 - 517) / 517] x 100
Subtract the new number by the original number
811 - 517 = 294
294 ÷ 517 = 0.5686653771760155
0.5686653771760155 x 100 = 56.87%