1435.94% is the change from 64 to 983
Calculation steps:
[( 983 - 64 ) ÷ 64] x 100 = 1435.94%
Formula
Percentage change = [(983 - 64) / 64] x 100
Subtract the new number by the original number
983 - 64 = 919
919 ÷ 64 = 14.359375
14.359375 x 100 = 1435.94%