312.24% is the change from 237 to 977
Calculation steps:
[( 977 - 237 ) ÷ 237] x 100 = 312.24%
Formula
Percentage change = [(977 - 237) / 237] x 100
Subtract the new number by the original number
977 - 237 = 740
740 ÷ 237 = 3.1223628691983123
3.1223628691983123 x 100 = 312.24%