61400% is the change from 1 to 615
Calculation steps:
[( 615 - 1 ) ÷ 1] x 100 = 61400%
Formula
Percentage change = [(615 - 1) / 1] x 100
Subtract the new number by the original number
615 - 1 = 614
614 ÷ 1 = 614
614 x 100 = 61400%
Example