-71.23% is the change from 212 to 61
Calculation steps:
[( 61 - 212 ) ÷ 212] x 100 = -71.23%
Formula
Percentage change = [(61 - 212) / 212] x 100
Subtract the new number by the original number
61 - 212 = -151
-151 ÷ 212 = -0.7122641509433962
-0.7122641509433962 x 100 = -71.23%