1460% is the change from 20 to 312
Calculation steps:
[( 312 - 20 ) ÷ 20] x 100 = 1460%
Formula
Percentage change = [(312 - 20) / 20] x 100
Subtract the new number by the original number
312 - 20 = 292
292 ÷ 20 = 14.6
14.6 x 100 = 1460%
Example