-57.05% is the change from 149 to 64
Calculation steps:
[( 64 - 149 ) ÷ 149] x 100 = -57.05%
Formula
Percentage change = [(64 - 149) / 149] x 100
Subtract the new number by the original number
64 - 149 = -85
-85 ÷ 149 = -0.5704697986577181
-0.5704697986577181 x 100 = -57.05%