977.55% is the change from 49 to 528
Calculation steps:
[( 528 - 49 ) ÷ 49] x 100 = 977.55%
Formula
Percentage change = [(528 - 49) / 49] x 100
Subtract the new number by the original number
528 - 49 = 479
479 ÷ 49 = 9.775510204081632
9.775510204081632 x 100 = 977.55%