97.63% is the change from 506 to 1000
Calculation steps:
[( 1000 - 506 ) ÷ 506] x 100 = 97.63%
Formula
Percentage change = [(1000 - 506) / 506] x 100
Subtract the new number by the original number
1000 - 506 = 494
494 ÷ 506 = 0.9762845849802372
0.9762845849802372 x 100 = 97.63%