1270.31% is the change from 64 to 877
Calculation steps:
[( 877 - 64 ) ÷ 64] x 100 = 1270.31%
Formula
Percentage change = [(877 - 64) / 64] x 100
Subtract the new number by the original number
877 - 64 = 813
813 ÷ 64 = 12.703125
12.703125 x 100 = 1270.31%