-49.55% is the change from 337 to 170
Calculation steps:
[( 170 - 337 ) ÷ 337] x 100 = -49.55%
Formula
Percentage change = [(170 - 337) / 337] x 100
Subtract the new number by the original number
170 - 337 = -167
-167 ÷ 337 = -0.49554896142433236
-0.49554896142433236 x 100 = -49.55%