311.72% is the change from 128 to 527
Calculation steps:
[( 527 - 128 ) ÷ 128] x 100 = 311.72%
Formula
Percentage change = [(527 - 128) / 128] x 100
Subtract the new number by the original number
527 - 128 = 399
399 ÷ 128 = 3.1171875
3.1171875 x 100 = 311.72%