1850% is the change from 26 to 507
Calculation steps:
[( 507 - 26 ) ÷ 26] x 100 = 1850%
Formula
Percentage change = [(507 - 26) / 26] x 100
Subtract the new number by the original number
507 - 26 = 481
481 ÷ 26 = 18.5
18.5 x 100 = 1850%
Example