5100% is the change from 6 to 312
Calculation steps:
[( 312 - 6 ) ÷ 6] x 100 = 5100%
Formula
Percentage change = [(312 - 6) / 6] x 100
Subtract the new number by the original number
312 - 6 = 306
306 ÷ 6 = 51
51 x 100 = 5100%
Example