1238.36% is the change from 73 to 977
Calculation steps:
[( 977 - 73 ) ÷ 73] x 100 = 1238.36%
Formula
Percentage change = [(977 - 73) / 73] x 100
Subtract the new number by the original number
977 - 73 = 904
904 ÷ 73 = 12.383561643835616
12.383561643835616 x 100 = 1238.36%