-77.52% is the change from 218 to 49
Calculation steps:
[( 49 - 218 ) ÷ 218] x 100 = -77.52%
Formula
Percentage change = [(49 - 218) / 218] x 100
Subtract the new number by the original number
49 - 218 = -169
-169 ÷ 218 = -0.7752293577981652
-0.7752293577981652 x 100 = -77.52%