217.04% is the change from 135 to 428
Calculation steps:
[( 428 - 135 ) ÷ 135] x 100 = 217.04%
Formula
Percentage change = [(428 - 135) / 135] x 100
Subtract the new number by the original number
428 - 135 = 293
293 ÷ 135 = 2.1703703703703705
2.1703703703703705 x 100 = 217.04%