214.1% is the change from 312 to 980
Calculation steps:
[( 980 - 312 ) ÷ 312] x 100 = 214.1%
Formula
Percentage change = [(980 - 312) / 312] x 100
Subtract the new number by the original number
980 - 312 = 668
668 ÷ 312 = 2.141025641025641
2.141025641025641 x 100 = 214.1%