215.38% is the change from 195 to 615
Calculation steps:
[( 615 - 195 ) ÷ 195] x 100 = 215.38%
Formula
Percentage change = [(615 - 195) / 195] x 100
Subtract the new number by the original number
615 - 195 = 420
420 ÷ 195 = 2.1538461538461537
2.1538461538461537 x 100 = 215.38%