650% is the change from 82 to 615
Calculation steps:
[( 615 - 82 ) ÷ 82] x 100 = 650%
Formula
Percentage change = [(615 - 82) / 82] x 100
Subtract the new number by the original number
615 - 82 = 533
533 ÷ 82 = 6.5
6.5 x 100 = 650%
Example