1228.57% is the change from 63 to 837
Calculation steps:
[( 837 - 63 ) ÷ 63] x 100 = 1228.57%
Formula
Percentage change = [(837 - 63) / 63] x 100
Subtract the new number by the original number
837 - 63 = 774
774 ÷ 63 = 12.285714285714286
12.285714285714286 x 100 = 1228.57%