-74.76% is the change from 634 to 160
Calculation steps:
[( 160 - 634 ) ÷ 634] x 100 = -74.76%
Formula
Percentage change = [(160 - 634) / 634] x 100
Subtract the new number by the original number
160 - 634 = -474
-474 ÷ 634 = -0.7476340694006309
-0.7476340694006309 x 100 = -74.76%