922% is the change from 50 to 511
Calculation steps:
[( 511 - 50 ) ÷ 50] x 100 = 922%
Formula
Percentage change = [(511 - 50) / 50] x 100
Subtract the new number by the original number
511 - 50 = 461
461 ÷ 50 = 9.22
9.22 x 100 = 922%
Example