817.91% is the change from 67 to 615
Calculation steps:
[( 615 - 67 ) ÷ 67] x 100 = 817.91%
Formula
Percentage change = [(615 - 67) / 67] x 100
Subtract the new number by the original number
615 - 67 = 548
548 ÷ 67 = 8.17910447761194
8.17910447761194 x 100 = 817.91%