213.14% is the change from 312 to 977
Calculation steps:
[( 977 - 312 ) ÷ 312] x 100 = 213.14%
Formula
Percentage change = [(977 - 312) / 312] x 100
Subtract the new number by the original number
977 - 312 = 665
665 ÷ 312 = 2.1314102564102564
2.1314102564102564 x 100 = 213.14%