1379.69% is the change from 64 to 947
Calculation steps:
[( 947 - 64 ) ÷ 64] x 100 = 1379.69%
Formula
Percentage change = [(947 - 64) / 64] x 100
Subtract the new number by the original number
947 - 64 = 883
883 ÷ 64 = 13.796875
13.796875 x 100 = 1379.69%