1667.35% is the change from 49 to 866
Calculation steps:
[( 866 - 49 ) ÷ 49] x 100 = 1667.35%
Formula
Percentage change = [(866 - 49) / 49] x 100
Subtract the new number by the original number
866 - 49 = 817
817 ÷ 49 = 16.6734693877551
16.6734693877551 x 100 = 1667.35%