211.22% is the change from 312 to 971
Calculation steps:
[( 971 - 312 ) ÷ 312] x 100 = 211.22%
Formula
Percentage change = [(971 - 312) / 312] x 100
Subtract the new number by the original number
971 - 312 = 659
659 ÷ 312 = 2.1121794871794872
2.1121794871794872 x 100 = 211.22%