973.63% is the change from 91 to 977
Calculation steps:
[( 977 - 91 ) ÷ 91] x 100 = 973.63%
Formula
Percentage change = [(977 - 91) / 91] x 100
Subtract the new number by the original number
977 - 91 = 886
886 ÷ 91 = 9.736263736263735
9.736263736263735 x 100 = 973.63%