211.86% is the change from 312 to 973
Calculation steps:
[( 973 - 312 ) ÷ 312] x 100 = 211.86%
Formula
Percentage change = [(973 - 312) / 312] x 100
Subtract the new number by the original number
973 - 312 = 661
661 ÷ 312 = 2.1185897435897436
2.1185897435897436 x 100 = 211.86%