-72.06% is the change from 637 to 178
Calculation steps:
[( 178 - 637 ) ÷ 637] x 100 = -72.06%
Formula
Percentage change = [(178 - 637) / 637] x 100
Subtract the new number by the original number
178 - 637 = -459
-459 ÷ 637 = -0.7205651491365777
-0.7205651491365777 x 100 = -72.06%