64900% is the change from 1 to 650
Calculation steps:
[( 650 - 1 ) ÷ 1] x 100 = 64900%
Formula
Percentage change = [(650 - 1) / 1] x 100
Subtract the new number by the original number
650 - 1 = 649
649 ÷ 1 = 649
649 x 100 = 64900%
Example