53.86% is the change from 635 to 977
Calculation steps:
[( 977 - 635 ) ÷ 635] x 100 = 53.86%
Formula
Percentage change = [(977 - 635) / 635] x 100
Subtract the new number by the original number
977 - 635 = 342
342 ÷ 635 = 0.5385826771653544
0.5385826771653544 x 100 = 53.86%