-71.29% is the change from 620 to 178
Calculation steps:
[( 178 - 620 ) ÷ 620] x 100 = -71.29%
Formula
Percentage change = [(178 - 620) / 620] x 100
Subtract the new number by the original number
178 - 620 = -442
-442 ÷ 620 = -0.7129032258064516
-0.7129032258064516 x 100 = -71.29%