7415.38% is the change from 13 to 977
Calculation steps:
[( 977 - 13 ) ÷ 13] x 100 = 7415.38%
Formula
Percentage change = [(977 - 13) / 13] x 100
Subtract the new number by the original number
977 - 13 = 964
964 ÷ 13 = 74.15384615384616
74.15384615384616 x 100 = 7415.38%