-78.3% is the change from 212 to 46
Calculation steps:
[( 46 - 212 ) ÷ 212] x 100 = -78.3%
Formula
Percentage change = [(46 - 212) / 212] x 100
Subtract the new number by the original number
46 - 212 = -166
-166 ÷ 212 = -0.7830188679245284
-0.7830188679245284 x 100 = -78.3%