211.54% is the change from 312 to 972
Calculation steps:
[( 972 - 312 ) ÷ 312] x 100 = 211.54%
Formula
Percentage change = [(972 - 312) / 312] x 100
Subtract the new number by the original number
972 - 312 = 660
660 ÷ 312 = 2.1153846153846154
2.1153846153846154 x 100 = 211.54%