68.78% is the change from 221 to 373
Calculation steps:
[( 373 - 221 ) ÷ 221] x 100 = 68.78%
Formula
Percentage change = [(373 - 221) / 221] x 100
Subtract the new number by the original number
373 - 221 = 152
152 ÷ 221 = 0.6877828054298643
0.6877828054298643 x 100 = 68.78%