978.95% is the change from 57 to 615
Calculation steps:
[( 615 - 57 ) ÷ 57] x 100 = 978.95%
Formula
Percentage change = [(615 - 57) / 57] x 100
Subtract the new number by the original number
615 - 57 = 558
558 ÷ 57 = 9.789473684210526
9.789473684210526 x 100 = 978.95%