850% is the change from 52 to 494
Calculation steps:
[( 494 - 52 ) ÷ 52] x 100 = 850%
Formula
Percentage change = [(494 - 52) / 52] x 100
Subtract the new number by the original number
494 - 52 = 442
442 ÷ 52 = 8.5
8.5 x 100 = 850%
Example