77.56% is the change from 517 to 918
Calculation steps:
[( 918 - 517 ) ÷ 517] x 100 = 77.56%
Formula
Percentage change = [(918 - 517) / 517] x 100
Subtract the new number by the original number
918 - 517 = 401
401 ÷ 517 = 0.7756286266924565
0.7756286266924565 x 100 = 77.56%