-73.89% is the change from 651 to 170
Calculation steps:
[( 170 - 651 ) ÷ 651] x 100 = -73.89%
Formula
Percentage change = [(170 - 651) / 651] x 100
Subtract the new number by the original number
170 - 651 = -481
-481 ÷ 651 = -0.738863287250384
-0.738863287250384 x 100 = -73.89%